Home / 152,225.04-210,063.06-84,240.76

Finding the Fourth Proportional to 152,225.04, 210,063.06 and 84,240.76

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Solution

The fourth proportional to 152,225.04, 210,063.06 and 84,240.76 is: 116,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,225.04 : 210,063.06 = 84,240.76 : x
  2. Step 2: Convert to fraction form
    152,225.04/210,063.06 = 84,240.76/x
  3. Step 3: Cross multiply
    152,225.04x = 210,063.06 × 84,240.76
  4. Step 4: Simplify right side
    152,225.04x = 17,695,871,822.33
  5. Step 5: Solve for x
    x = 17,695,871,822.33/152,225.04
  6. Step 6: Final answer
    x = 116,248.10

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.