Home / 124,757.61-172,166.04-68,169

Finding the Fourth Proportional to 124,757.61, 172,166.04 and 68,169

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Solution

The fourth proportional to 124,757.61, 172,166.04 and 68,169 is: 94,073.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,757.61 : 172,166.04 = 68,169 : x
  2. Step 2: Convert to fraction form
    124,757.61/172,166.04 = 68,169/x
  3. Step 3: Cross multiply
    124,757.61x = 172,166.04 × 68,169
  4. Step 4: Simplify right side
    124,757.61x = 11,736,386,780.76
  5. Step 5: Solve for x
    x = 11,736,386,780.76/124,757.61
  6. Step 6: Final answer
    x = 94,073.51

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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.