Home / 124,836.66-172,274.58-68,248.04

Finding the Fourth Proportional to 124,836.66, 172,274.58 and 68,248.04

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Solution

The fourth proportional to 124,836.66, 172,274.58 and 68,248.04 is: 94,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,836.66 : 172,274.58 = 68,248.04 : x
  2. Step 2: Convert to fraction form
    124,836.66/172,274.58 = 68,248.04/x
  3. Step 3: Cross multiply
    124,836.66x = 172,274.58 × 68,248.04
  4. Step 4: Simplify right side
    124,836.66x = 11,757,401,565.45
  5. Step 5: Solve for x
    x = 11,757,401,565.45/124,836.66
  6. Step 6: Final answer
    x = 94,182.28

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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.