Home / 138,296.50-207,475.95-42,242.32

Finding the Fourth Proportional to 138,296.50, 207,475.95 and 42,242.32

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Solution

The fourth proportional to 138,296.50, 207,475.95 and 42,242.32 is: 63,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,296.50 : 207,475.95 = 42,242.32 : x
  2. Step 2: Convert to fraction form
    138,296.50/207,475.95 = 42,242.32/x
  3. Step 3: Cross multiply
    138,296.50x = 207,475.95 × 42,242.32
  4. Step 4: Simplify right side
    138,296.50x = 8,764,265,472.20
  5. Step 5: Solve for x
    x = 8,764,265,472.20/138,296.50
  6. Step 6: Final answer
    x = 63,373.01

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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.