Home / 138,318.12-207,496.38-44,793.64

Finding the Fourth Proportional to 138,318.12, 207,496.38 and 44,793.64

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Solution

The fourth proportional to 138,318.12, 207,496.38 and 44,793.64 is: 67,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,318.12 : 207,496.38 = 44,793.64 : x
  2. Step 2: Convert to fraction form
    138,318.12/207,496.38 = 44,793.64/x
  3. Step 3: Cross multiply
    138,318.12x = 207,496.38 × 44,793.64
  4. Step 4: Simplify right side
    138,318.12x = 9,294,518,147.02
  5. Step 5: Solve for x
    x = 9,294,518,147.02/138,318.12
  6. Step 6: Final answer
    x = 67,196.68

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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.