Home / 121,444.05-182,111.40-54,849.90

Finding the Fourth Proportional to 121,444.05, 182,111.40 and 54,849.90

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Solution

The fourth proportional to 121,444.05, 182,111.40 and 54,849.90 is: 82,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,444.05 : 182,111.40 = 54,849.90 : x
  2. Step 2: Convert to fraction form
    121,444.05/182,111.40 = 54,849.90/x
  3. Step 3: Cross multiply
    121,444.05x = 182,111.40 × 54,849.90
  4. Step 4: Simplify right side
    121,444.05x = 9,988,792,078.86
  5. Step 5: Solve for x
    x = 9,988,792,078.86/121,444.05
  6. Step 6: Final answer
    x = 82,250.16

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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.