Home / 125,341.28-172,968-68,752.16

Finding the Fourth Proportional to 125,341.28, 172,968 and 68,752.16

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Solution

The fourth proportional to 125,341.28, 172,968 and 68,752.16 is: 94,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,341.28 : 172,968 = 68,752.16 : x
  2. Step 2: Convert to fraction form
    125,341.28/172,968 = 68,752.16/x
  3. Step 3: Cross multiply
    125,341.28x = 172,968 × 68,752.16
  4. Step 4: Simplify right side
    125,341.28x = 11,891,923,610.88
  5. Step 5: Solve for x
    x = 11,891,923,610.88/125,341.28
  6. Step 6: Final answer
    x = 94,876.35

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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.