Home / 126,268.62-174,280.51-72,584.78

Finding the Fourth Proportional to 126,268.62, 174,280.51 and 72,584.78

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Solution

The fourth proportional to 126,268.62, 174,280.51 and 72,584.78 is: 100,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,268.62 : 174,280.51 = 72,584.78 : x
  2. Step 2: Convert to fraction form
    126,268.62/174,280.51 = 72,584.78/x
  3. Step 3: Cross multiply
    126,268.62x = 174,280.51 × 72,584.78
  4. Step 4: Simplify right side
    126,268.62x = 12,650,111,695.97
  5. Step 5: Solve for x
    x = 12,650,111,695.97/126,268.62
  6. Step 6: Final answer
    x = 100,184.13

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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.