Home / 124,961.04-172,443.60-68,371.20

Finding the Fourth Proportional to 124,961.04, 172,443.60 and 68,371.20

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Solution

The fourth proportional to 124,961.04, 172,443.60 and 68,371.20 is: 94,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,961.04 : 172,443.60 = 68,371.20 : x
  2. Step 2: Convert to fraction form
    124,961.04/172,443.60 = 68,371.20/x
  3. Step 3: Cross multiply
    124,961.04x = 172,443.60 × 68,371.20
  4. Step 4: Simplify right side
    124,961.04x = 11,790,175,864.32
  5. Step 5: Solve for x
    x = 11,790,175,864.32/124,961.04
  6. Step 6: Final answer
    x = 94,350.81

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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.