Home / 150,460.20-207,657.18-86,785.56

Finding the Fourth Proportional to 150,460.20, 207,657.18 and 86,785.56

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Solution

The fourth proportional to 150,460.20, 207,657.18 and 86,785.56 is: 119,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,460.20 : 207,657.18 = 86,785.56 : x
  2. Step 2: Convert to fraction form
    150,460.20/207,657.18 = 86,785.56/x
  3. Step 3: Cross multiply
    150,460.20x = 207,657.18 × 86,785.56
  4. Step 4: Simplify right side
    150,460.20x = 18,021,644,654.32
  5. Step 5: Solve for x
    x = 18,021,644,654.32/150,460.20
  6. Step 6: Final answer
    x = 119,776.82

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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.