Home / 124,934.40-172,410.72-68,348.16

Finding the Fourth Proportional to 124,934.40, 172,410.72 and 68,348.16

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Solution

The fourth proportional to 124,934.40, 172,410.72 and 68,348.16 is: 94,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,934.40 : 172,410.72 = 68,348.16 : x
  2. Step 2: Convert to fraction form
    124,934.40/172,410.72 = 68,348.16/x
  3. Step 3: Cross multiply
    124,934.40x = 172,410.72 × 68,348.16
  4. Step 4: Simplify right side
    124,934.40x = 11,783,955,476.28
  5. Step 5: Solve for x
    x = 11,783,955,476.28/124,934.40
  6. Step 6: Final answer
    x = 94,321.14

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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.