Home / 115,470.20-173,205.30-92,142.20

Finding the Fourth Proportional to 115,470.20, 173,205.30 and 92,142.20

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Solution

The fourth proportional to 115,470.20, 173,205.30 and 92,142.20 is: 138,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,470.20 : 173,205.30 = 92,142.20 : x
  2. Step 2: Convert to fraction form
    115,470.20/173,205.30 = 92,142.20/x
  3. Step 3: Cross multiply
    115,470.20x = 173,205.30 × 92,142.20
  4. Step 4: Simplify right side
    115,470.20x = 15,959,517,393.66
  5. Step 5: Solve for x
    x = 15,959,517,393.66/115,470.20
  6. Step 6: Final answer
    x = 138,213.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.