Home / 121,934.10-182,664.42-89,854.89

Finding the Fourth Proportional to 121,934.10, 182,664.42 and 89,854.89

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Solution

The fourth proportional to 121,934.10, 182,664.42 and 89,854.89 is: 134,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,934.10 : 182,664.42 = 89,854.89 : x
  2. Step 2: Convert to fraction form
    121,934.10/182,664.42 = 89,854.89/x
  3. Step 3: Cross multiply
    121,934.10x = 182,664.42 × 89,854.89
  4. Step 4: Simplify right side
    121,934.10x = 16,413,291,366.01
  5. Step 5: Solve for x
    x = 16,413,291,366.01/121,934.10
  6. Step 6: Final answer
    x = 134,607.89

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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.