Home / 126,330.22-174,398.84-78,598.95

Finding the Fourth Proportional to 126,330.22, 174,398.84 and 78,598.95

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Solution

The fourth proportional to 126,330.22, 174,398.84 and 78,598.95 is: 108,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,330.22 : 174,398.84 = 78,598.95 : x
  2. Step 2: Convert to fraction form
    126,330.22/174,398.84 = 78,598.95/x
  3. Step 3: Cross multiply
    126,330.22x = 174,398.84 × 78,598.95
  4. Step 4: Simplify right side
    126,330.22x = 13,707,565,705.22
  5. Step 5: Solve for x
    x = 13,707,565,705.22/126,330.22
  6. Step 6: Final answer
    x = 108,505.83

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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.