Home / 99,291.28-149,010.84-40,127.52

Finding the Fourth Proportional to 99,291.28, 149,010.84 and 40,127.52

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Solution

The fourth proportional to 99,291.28, 149,010.84 and 40,127.52 is: 60,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,291.28 : 149,010.84 = 40,127.52 : x
  2. Step 2: Convert to fraction form
    99,291.28/149,010.84 = 40,127.52/x
  3. Step 3: Cross multiply
    99,291.28x = 149,010.84 × 40,127.52
  4. Step 4: Simplify right side
    99,291.28x = 5,979,435,462.32
  5. Step 5: Solve for x
    x = 5,979,435,462.32/99,291.28
  6. Step 6: Final answer
    x = 60,221.15

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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.