Home / 138,815.28-208,226.94-44,045.88

Finding the Fourth Proportional to 138,815.28, 208,226.94 and 44,045.88

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Solution

The fourth proportional to 138,815.28, 208,226.94 and 44,045.88 is: 66,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,815.28 : 208,226.94 = 44,045.88 : x
  2. Step 2: Convert to fraction form
    138,815.28/208,226.94 = 44,045.88/x
  3. Step 3: Cross multiply
    138,815.28x = 208,226.94 × 44,045.88
  4. Step 4: Simplify right side
    138,815.28x = 9,171,538,812.01
  5. Step 5: Solve for x
    x = 9,171,538,812.01/138,815.28
  6. Step 6: Final answer
    x = 66,070.10

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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.