Home / 121,248.60-167,342.85-92,513.85

Finding the Fourth Proportional to 121,248.60, 167,342.85 and 92,513.85

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Solution

The fourth proportional to 121,248.60, 167,342.85 and 92,513.85 is: 127,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,248.60 : 167,342.85 = 92,513.85 : x
  2. Step 2: Convert to fraction form
    121,248.60/167,342.85 = 92,513.85/x
  3. Step 3: Cross multiply
    121,248.60x = 167,342.85 × 92,513.85
  4. Step 4: Simplify right side
    121,248.60x = 15,481,531,323.47
  5. Step 5: Solve for x
    x = 15,481,531,323.47/121,248.60
  6. Step 6: Final answer
    x = 127,684.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.