Home / 138,301.20-207,451.80-44,816.40

Finding the Fourth Proportional to 138,301.20, 207,451.80 and 44,816.40

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Solution

The fourth proportional to 138,301.20, 207,451.80 and 44,816.40 is: 67,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,301.20 : 207,451.80 = 44,816.40 : x
  2. Step 2: Convert to fraction form
    138,301.20/207,451.80 = 44,816.40/x
  3. Step 3: Cross multiply
    138,301.20x = 207,451.80 × 44,816.40
  4. Step 4: Simplify right side
    138,301.20x = 9,297,242,849.52
  5. Step 5: Solve for x
    x = 9,297,242,849.52/138,301.20
  6. Step 6: Final answer
    x = 67,224.60

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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.