Home / 126,902.70-190,337.52-60,385.14

Finding the Fourth Proportional to 126,902.70, 190,337.52 and 60,385.14

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Solution

The fourth proportional to 126,902.70, 190,337.52 and 60,385.14 is: 90,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,902.70 : 190,337.52 = 60,385.14 : x
  2. Step 2: Convert to fraction form
    126,902.70/190,337.52 = 60,385.14/x
  3. Step 3: Cross multiply
    126,902.70x = 190,337.52 × 60,385.14
  4. Step 4: Simplify right side
    126,902.70x = 11,493,557,792.45
  5. Step 5: Solve for x
    x = 11,493,557,792.45/126,902.70
  6. Step 6: Final answer
    x = 90,569.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.