Home / 83,174.10-124,826.67-38,778

Finding the Fourth Proportional to 83,174.10, 124,826.67 and 38,778

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Solution

The fourth proportional to 83,174.10, 124,826.67 and 38,778 is: 58,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,174.10 : 124,826.67 = 38,778 : x
  2. Step 2: Convert to fraction form
    83,174.10/124,826.67 = 38,778/x
  3. Step 3: Cross multiply
    83,174.10x = 124,826.67 × 38,778
  4. Step 4: Simplify right side
    83,174.10x = 4,840,528,609.26
  5. Step 5: Solve for x
    x = 4,840,528,609.26/83,174.10
  6. Step 6: Final answer
    x = 58,197.55

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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.