Home / 121,308.17-182,091.65-107,356.93

Finding the Fourth Proportional to 121,308.17, 182,091.65 and 107,356.93

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Solution

The fourth proportional to 121,308.17, 182,091.65 and 107,356.93 is: 161,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,308.17 : 182,091.65 = 107,356.93 : x
  2. Step 2: Convert to fraction form
    121,308.17/182,091.65 = 107,356.93/x
  3. Step 3: Cross multiply
    121,308.17x = 182,091.65 × 107,356.93
  4. Step 4: Simplify right side
    121,308.17x = 19,548,799,530.62
  5. Step 5: Solve for x
    x = 19,548,799,530.62/121,308.17
  6. Step 6: Final answer
    x = 161,149.91

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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.