Home / 138,327.32-207,449.94-59,423.12

Finding the Fourth Proportional to 138,327.32, 207,449.94 and 59,423.12

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Solution

The fourth proportional to 138,327.32, 207,449.94 and 59,423.12 is: 89,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,327.32 : 207,449.94 = 59,423.12 : x
  2. Step 2: Convert to fraction form
    138,327.32/207,449.94 = 59,423.12/x
  3. Step 3: Cross multiply
    138,327.32x = 207,449.94 × 59,423.12
  4. Step 4: Simplify right side
    138,327.32x = 12,327,322,678.61
  5. Step 5: Solve for x
    x = 12,327,322,678.61/138,327.32
  6. Step 6: Final answer
    x = 89,117.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.