Home / 126,046.83-173,705.36-90,174.56

Finding the Fourth Proportional to 126,046.83, 173,705.36 and 90,174.56

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Solution

The fourth proportional to 126,046.83, 173,705.36 and 90,174.56 is: 124,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,046.83 : 173,705.36 = 90,174.56 : x
  2. Step 2: Convert to fraction form
    126,046.83/173,705.36 = 90,174.56/x
  3. Step 3: Cross multiply
    126,046.83x = 173,705.36 × 90,174.56
  4. Step 4: Simplify right side
    126,046.83x = 15,663,803,088.24
  5. Step 5: Solve for x
    x = 15,663,803,088.24/126,046.83
  6. Step 6: Final answer
    x = 124,269.71

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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.