Home / 126,463.10-174,600.45-81,160.61

Finding the Fourth Proportional to 126,463.10, 174,600.45 and 81,160.61

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Solution

The fourth proportional to 126,463.10, 174,600.45 and 81,160.61 is: 112,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,463.10 : 174,600.45 = 81,160.61 : x
  2. Step 2: Convert to fraction form
    126,463.10/174,600.45 = 81,160.61/x
  3. Step 3: Cross multiply
    126,463.10x = 174,600.45 × 81,160.61
  4. Step 4: Simplify right side
    126,463.10x = 14,170,678,155.27
  5. Step 5: Solve for x
    x = 14,170,678,155.27/126,463.10
  6. Step 6: Final answer
    x = 112,053.86

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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.