Home / 121,753.03-182,714.33-42,873.61

Finding the Fourth Proportional to 121,753.03, 182,714.33 and 42,873.61

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Solution

The fourth proportional to 121,753.03, 182,714.33 and 42,873.61 is: 64,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,753.03 : 182,714.33 = 42,873.61 : x
  2. Step 2: Convert to fraction form
    121,753.03/182,714.33 = 42,873.61/x
  3. Step 3: Cross multiply
    121,753.03x = 182,714.33 × 42,873.61
  4. Step 4: Simplify right side
    121,753.03x = 7,833,622,711.46
  5. Step 5: Solve for x
    x = 7,833,622,711.46/121,753.03
  6. Step 6: Final answer
    x = 64,340.27

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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.