Home / 121,877.11-182,668.02-107,114.86

Finding the Fourth Proportional to 121,877.11, 182,668.02 and 107,114.86

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Solution

The fourth proportional to 121,877.11, 182,668.02 and 107,114.86 is: 160,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,877.11 : 182,668.02 = 107,114.86 : x
  2. Step 2: Convert to fraction form
    121,877.11/182,668.02 = 107,114.86/x
  3. Step 3: Cross multiply
    121,877.11x = 182,668.02 × 107,114.86
  4. Step 4: Simplify right side
    121,877.11x = 19,566,459,388.78
  5. Step 5: Solve for x
    x = 19,566,459,388.78/121,877.11
  6. Step 6: Final answer
    x = 160,542.53

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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.