Home / 126,255.15-174,158.64-80,917.02

Finding the Fourth Proportional to 126,255.15, 174,158.64 and 80,917.02

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Solution

The fourth proportional to 126,255.15, 174,158.64 and 80,917.02 is: 111,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,255.15 : 174,158.64 = 80,917.02 : x
  2. Step 2: Convert to fraction form
    126,255.15/174,158.64 = 80,917.02/x
  3. Step 3: Cross multiply
    126,255.15x = 174,158.64 × 80,917.02
  4. Step 4: Simplify right side
    126,255.15x = 14,092,398,156.05
  5. Step 5: Solve for x
    x = 14,092,398,156.05/126,255.15
  6. Step 6: Final answer
    x = 111,618.40

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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.