Home / 83,148.45-124,733.27-38,158.89

Finding the Fourth Proportional to 83,148.45, 124,733.27 and 38,158.89

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Solution

The fourth proportional to 83,148.45, 124,733.27 and 38,158.89 is: 57,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,148.45 : 124,733.27 = 38,158.89 : x
  2. Step 2: Convert to fraction form
    83,148.45/124,733.27 = 38,158.89/x
  3. Step 3: Cross multiply
    83,148.45x = 124,733.27 × 38,158.89
  4. Step 4: Simplify right side
    83,148.45x = 4,759,683,129.27
  5. Step 5: Solve for x
    x = 4,759,683,129.27/83,148.45
  6. Step 6: Final answer
    x = 57,243.20

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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.