Home / 142,414.48-213,654.03-75,819.52

Finding the Fourth Proportional to 142,414.48, 213,654.03 and 75,819.52

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Solution

The fourth proportional to 142,414.48, 213,654.03 and 75,819.52 is: 113,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,414.48 : 213,654.03 = 75,819.52 : x
  2. Step 2: Convert to fraction form
    142,414.48/213,654.03 = 75,819.52/x
  3. Step 3: Cross multiply
    142,414.48x = 213,654.03 × 75,819.52
  4. Step 4: Simplify right side
    142,414.48x = 16,199,146,000.67
  5. Step 5: Solve for x
    x = 16,199,146,000.67/142,414.48
  6. Step 6: Final answer
    x = 113,746.48

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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.