Home / 124,996.80-172,494.18-68,407.50

Finding the Fourth Proportional to 124,996.80, 172,494.18 and 68,407.50

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Solution

The fourth proportional to 124,996.80, 172,494.18 and 68,407.50 is: 94,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,996.80 : 172,494.18 = 68,407.50 : x
  2. Step 2: Convert to fraction form
    124,996.80/172,494.18 = 68,407.50/x
  3. Step 3: Cross multiply
    124,996.80x = 172,494.18 × 68,407.50
  4. Step 4: Simplify right side
    124,996.80x = 11,799,895,618.35
  5. Step 5: Solve for x
    x = 11,799,895,618.35/124,996.80
  6. Step 6: Final answer
    x = 94,401.58

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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.