Home / 126,020.40-173,831.27-74,998.95

Finding the Fourth Proportional to 126,020.40, 173,831.27 and 74,998.95

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Solution

The fourth proportional to 126,020.40, 173,831.27 and 74,998.95 is: 103,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,020.40 : 173,831.27 = 74,998.95 : x
  2. Step 2: Convert to fraction form
    126,020.40/173,831.27 = 74,998.95/x
  3. Step 3: Cross multiply
    126,020.40x = 173,831.27 × 74,998.95
  4. Step 4: Simplify right side
    126,020.40x = 13,037,162,352.17
  5. Step 5: Solve for x
    x = 13,037,162,352.17/126,020.40
  6. Step 6: Final answer
    x = 103,452.79

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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.