Home / 152,259.75-210,113.19-84,279.69

Finding the Fourth Proportional to 152,259.75, 210,113.19 and 84,279.69

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Solution

The fourth proportional to 152,259.75, 210,113.19 and 84,279.69 is: 116,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,259.75 : 210,113.19 = 84,279.69 : x
  2. Step 2: Convert to fraction form
    152,259.75/210,113.19 = 84,279.69/x
  3. Step 3: Cross multiply
    152,259.75x = 210,113.19 × 84,279.69
  4. Step 4: Simplify right side
    152,259.75x = 17,708,274,518.11
  5. Step 5: Solve for x
    x = 17,708,274,518.11/152,259.75
  6. Step 6: Final answer
    x = 116,303.06

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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.