Home / 124,917.30-172,337.46-79,587.18

Finding the Fourth Proportional to 124,917.30, 172,337.46 and 79,587.18

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Solution

The fourth proportional to 124,917.30, 172,337.46 and 79,587.18 is: 109,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,917.30 : 172,337.46 = 79,587.18 : x
  2. Step 2: Convert to fraction form
    124,917.30/172,337.46 = 79,587.18/x
  3. Step 3: Cross multiply
    124,917.30x = 172,337.46 × 79,587.18
  4. Step 4: Simplify right side
    124,917.30x = 13,715,852,449.76
  5. Step 5: Solve for x
    x = 13,715,852,449.76/124,917.30
  6. Step 6: Final answer
    x = 109,799.46

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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.