Home / 152,818.08-210,901.44-84,839.20

Finding the Fourth Proportional to 152,818.08, 210,901.44 and 84,839.20

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Solution

The fourth proportional to 152,818.08, 210,901.44 and 84,839.20 is: 117,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,818.08 : 210,901.44 = 84,839.20 : x
  2. Step 2: Convert to fraction form
    152,818.08/210,901.44 = 84,839.20/x
  3. Step 3: Cross multiply
    152,818.08x = 210,901.44 × 84,839.20
  4. Step 4: Simplify right side
    152,818.08x = 17,892,709,448.45
  5. Step 5: Solve for x
    x = 17,892,709,448.45/152,818.08
  6. Step 6: Final answer
    x = 117,085.03

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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.