Home / 121,340.97-182,093.51-42,455.88

Finding the Fourth Proportional to 121,340.97, 182,093.51 and 42,455.88

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Solution

The fourth proportional to 121,340.97, 182,093.51 and 42,455.88 is: 63,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,340.97 : 182,093.51 = 42,455.88 : x
  2. Step 2: Convert to fraction form
    121,340.97/182,093.51 = 42,455.88/x
  3. Step 3: Cross multiply
    121,340.97x = 182,093.51 × 42,455.88
  4. Step 4: Simplify right side
    121,340.97x = 7,730,940,209.34
  5. Step 5: Solve for x
    x = 7,730,940,209.34/121,340.97
  6. Step 6: Final answer
    x = 63,712.53

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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.