Home / 121,448.30-182,172.45-42,562.52

Finding the Fourth Proportional to 121,448.30, 182,172.45 and 42,562.52

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Solution

The fourth proportional to 121,448.30, 182,172.45 and 42,562.52 is: 63,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,448.30 : 182,172.45 = 42,562.52 : x
  2. Step 2: Convert to fraction form
    121,448.30/182,172.45 = 42,562.52/x
  3. Step 3: Cross multiply
    121,448.30x = 182,172.45 × 42,562.52
  4. Step 4: Simplify right side
    121,448.30x = 7,753,717,635.71
  5. Step 5: Solve for x
    x = 7,753,717,635.71/121,448.30
  6. Step 6: Final answer
    x = 63,843.78

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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.