Home / 125,119.92-172,663.83-68,531.34

Finding the Fourth Proportional to 125,119.92, 172,663.83 and 68,531.34

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Solution

The fourth proportional to 125,119.92, 172,663.83 and 68,531.34 is: 94,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,119.92 : 172,663.83 = 68,531.34 : x
  2. Step 2: Convert to fraction form
    125,119.92/172,663.83 = 68,531.34/x
  3. Step 3: Cross multiply
    125,119.92x = 172,663.83 × 68,531.34
  4. Step 4: Simplify right side
    125,119.92x = 11,832,883,639.43
  5. Step 5: Solve for x
    x = 11,832,883,639.43/125,119.92
  6. Step 6: Final answer
    x = 94,572.34

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1.5x scale

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.