Home / 150,035.20-207,068.16-86,375.68

Finding the Fourth Proportional to 150,035.20, 207,068.16 and 86,375.68

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Solution

The fourth proportional to 150,035.20, 207,068.16 and 86,375.68 is: 119,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,035.20 : 207,068.16 = 86,375.68 : x
  2. Step 2: Convert to fraction form
    150,035.20/207,068.16 = 86,375.68/x
  3. Step 3: Cross multiply
    150,035.20x = 207,068.16 × 86,375.68
  4. Step 4: Simplify right side
    150,035.20x = 17,885,653,126.35
  5. Step 5: Solve for x
    x = 17,885,653,126.35/150,035.20
  6. Step 6: Final answer
    x = 119,209.71

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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.