Home / 121,352.28-181,885.44-54,714.39

Finding the Fourth Proportional to 121,352.28, 181,885.44 and 54,714.39

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Solution

The fourth proportional to 121,352.28, 181,885.44 and 54,714.39 is: 82,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,352.28 : 181,885.44 = 54,714.39 : x
  2. Step 2: Convert to fraction form
    121,352.28/181,885.44 = 54,714.39/x
  3. Step 3: Cross multiply
    121,352.28x = 181,885.44 × 54,714.39
  4. Step 4: Simplify right side
    121,352.28x = 9,951,749,990.05
  5. Step 5: Solve for x
    x = 9,951,749,990.05/121,352.28
  6. Step 6: Final answer
    x = 82,007.12

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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.