Home / 172,100.70-237,432.60-126,886.14

Finding the Fourth Proportional to 172,100.70, 237,432.60 and 126,886.14

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Solution

The fourth proportional to 172,100.70, 237,432.60 and 126,886.14 is: 175,053.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,100.70 : 237,432.60 = 126,886.14 : x
  2. Step 2: Convert to fraction form
    172,100.70/237,432.60 = 126,886.14/x
  3. Step 3: Cross multiply
    172,100.70x = 237,432.60 × 126,886.14
  4. Step 4: Simplify right side
    172,100.70x = 30,126,906,124.16
  5. Step 5: Solve for x
    x = 30,126,906,124.16/172,100.70
  6. Step 6: Final answer
    x = 175,053.94

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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.