Home / 124,708.20-172,094.52-68,119.80

Finding the Fourth Proportional to 124,708.20, 172,094.52 and 68,119.80

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Solution

The fourth proportional to 124,708.20, 172,094.52 and 68,119.80 is: 94,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,708.20 : 172,094.52 = 68,119.80 : x
  2. Step 2: Convert to fraction form
    124,708.20/172,094.52 = 68,119.80/x
  3. Step 3: Cross multiply
    124,708.20x = 172,094.52 × 68,119.80
  4. Step 4: Simplify right side
    124,708.20x = 11,723,044,283.50
  5. Step 5: Solve for x
    x = 11,723,044,283.50/124,708.20
  6. Step 6: Final answer
    x = 94,003.80

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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.