Home / 126,273.69-174,287.52-72,589.86

Finding the Fourth Proportional to 126,273.69, 174,287.52 and 72,589.86

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Solution

The fourth proportional to 126,273.69, 174,287.52 and 72,589.86 is: 100,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,273.69 : 174,287.52 = 72,589.86 : x
  2. Step 2: Convert to fraction form
    126,273.69/174,287.52 = 72,589.86/x
  3. Step 3: Cross multiply
    126,273.69x = 174,287.52 × 72,589.86
  4. Step 4: Simplify right side
    126,273.69x = 12,651,506,676.55
  5. Step 5: Solve for x
    x = 12,651,506,676.55/126,273.69
  6. Step 6: Final answer
    x = 100,191.15

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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.