Home / 149,001.88-205,333.86-123,545.20

Finding the Fourth Proportional to 149,001.88, 205,333.86 and 123,545.20

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Solution

The fourth proportional to 149,001.88, 205,333.86 and 123,545.20 is: 170,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,001.88 : 205,333.86 = 123,545.20 : x
  2. Step 2: Convert to fraction form
    149,001.88/205,333.86 = 123,545.20/x
  3. Step 3: Cross multiply
    149,001.88x = 205,333.86 × 123,545.20
  4. Step 4: Simplify right side
    149,001.88x = 25,368,012,800.47
  5. Step 5: Solve for x
    x = 25,368,012,800.47/149,001.88
  6. Step 6: Final answer
    x = 170,252.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.