Home / 121,410.20-182,115.30-88,362.20

Finding the Fourth Proportional to 121,410.20, 182,115.30 and 88,362.20

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Solution

The fourth proportional to 121,410.20, 182,115.30 and 88,362.20 is: 132,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,410.20 : 182,115.30 = 88,362.20 : x
  2. Step 2: Convert to fraction form
    121,410.20/182,115.30 = 88,362.20/x
  3. Step 3: Cross multiply
    121,410.20x = 182,115.30 × 88,362.20
  4. Step 4: Simplify right side
    121,410.20x = 16,092,108,561.66
  5. Step 5: Solve for x
    x = 16,092,108,561.66/121,410.20
  6. Step 6: Final answer
    x = 132,543.30

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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.