Home / 142,926.72-214,385.76-54,193.92

Finding the Fourth Proportional to 142,926.72, 214,385.76 and 54,193.92

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Solution

The fourth proportional to 142,926.72, 214,385.76 and 54,193.92 is: 81,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,926.72 : 214,385.76 = 54,193.92 : x
  2. Step 2: Convert to fraction form
    142,926.72/214,385.76 = 54,193.92/x
  3. Step 3: Cross multiply
    142,926.72x = 214,385.76 × 54,193.92
  4. Step 4: Simplify right side
    142,926.72x = 11,618,404,726.58
  5. Step 5: Solve for x
    x = 11,618,404,726.58/142,926.72
  6. Step 6: Final answer
    x = 81,289.24

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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.