Home / 138,027.96-207,041.66-43,265.43

Finding the Fourth Proportional to 138,027.96, 207,041.66 and 43,265.43

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Solution

The fourth proportional to 138,027.96, 207,041.66 and 43,265.43 is: 64,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,027.96 : 207,041.66 = 43,265.43 : x
  2. Step 2: Convert to fraction form
    138,027.96/207,041.66 = 43,265.43/x
  3. Step 3: Cross multiply
    138,027.96x = 207,041.66 × 43,265.43
  4. Step 4: Simplify right side
    138,027.96x = 8,957,746,231.49
  5. Step 5: Solve for x
    x = 8,957,746,231.49/138,027.96
  6. Step 6: Final answer
    x = 64,898.06

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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.