Home / 126,581.53-174,726.50-72,887.95

Finding the Fourth Proportional to 126,581.53, 174,726.50 and 72,887.95

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Solution

The fourth proportional to 126,581.53, 174,726.50 and 72,887.95 is: 100,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,581.53 : 174,726.50 = 72,887.95 : x
  2. Step 2: Convert to fraction form
    126,581.53/174,726.50 = 72,887.95/x
  3. Step 3: Cross multiply
    126,581.53x = 174,726.50 × 72,887.95
  4. Step 4: Simplify right side
    126,581.53x = 12,735,455,522.04
  5. Step 5: Solve for x
    x = 12,735,455,522.04/126,581.53
  6. Step 6: Final answer
    x = 100,610.69

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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.