Home / 126,329.76-174,347.91-72,617.04

Finding the Fourth Proportional to 126,329.76, 174,347.91 and 72,617.04

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Solution

The fourth proportional to 126,329.76, 174,347.91 and 72,617.04 is: 100,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,329.76 : 174,347.91 = 72,617.04 : x
  2. Step 2: Convert to fraction form
    126,329.76/174,347.91 = 72,617.04/x
  3. Step 3: Cross multiply
    126,329.76x = 174,347.91 × 72,617.04
  4. Step 4: Simplify right side
    126,329.76x = 12,660,629,154.39
  5. Step 5: Solve for x
    x = 12,660,629,154.39/126,329.76
  6. Step 6: Final answer
    x = 100,218.90

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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.