Home / 102,319.85-153,472.62-38,265.80

Finding the Fourth Proportional to 102,319.85, 153,472.62 and 38,265.80

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Solution

The fourth proportional to 102,319.85, 153,472.62 and 38,265.80 is: 57,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,319.85 : 153,472.62 = 38,265.80 : x
  2. Step 2: Convert to fraction form
    102,319.85/153,472.62 = 38,265.80/x
  3. Step 3: Cross multiply
    102,319.85x = 153,472.62 × 38,265.80
  4. Step 4: Simplify right side
    102,319.85x = 5,872,752,582.40
  5. Step 5: Solve for x
    x = 5,872,752,582.40/102,319.85
  6. Step 6: Final answer
    x = 57,396.02

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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.