Home / 83,158.05-124,815.93-51,472.26

Finding the Fourth Proportional to 83,158.05, 124,815.93 and 51,472.26

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Solution

The fourth proportional to 83,158.05, 124,815.93 and 51,472.26 is: 77,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,158.05 : 124,815.93 = 51,472.26 : x
  2. Step 2: Convert to fraction form
    83,158.05/124,815.93 = 51,472.26/x
  3. Step 3: Cross multiply
    83,158.05x = 124,815.93 × 51,472.26
  4. Step 4: Simplify right side
    83,158.05x = 6,424,558,001.10
  5. Step 5: Solve for x
    x = 6,424,558,001.10/83,158.05
  6. Step 6: Final answer
    x = 77,257.20

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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.