Home / 138,320.12-207,499.38-44,795.64

Finding the Fourth Proportional to 138,320.12, 207,499.38 and 44,795.64

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Solution

The fourth proportional to 138,320.12, 207,499.38 and 44,795.64 is: 67,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,320.12 : 207,499.38 = 44,795.64 : x
  2. Step 2: Convert to fraction form
    138,320.12/207,499.38 = 44,795.64/x
  3. Step 3: Cross multiply
    138,320.12x = 207,499.38 × 44,795.64
  4. Step 4: Simplify right side
    138,320.12x = 9,295,067,526.70
  5. Step 5: Solve for x
    x = 9,295,067,526.70/138,320.12
  6. Step 6: Final answer
    x = 67,199.68

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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.