Home / 125,731.58-173,504.30-71,287.41

Finding the Fourth Proportional to 125,731.58, 173,504.30 and 71,287.41

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Solution

The fourth proportional to 125,731.58, 173,504.30 and 71,287.41 is: 98,373.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,731.58 : 173,504.30 = 71,287.41 : x
  2. Step 2: Convert to fraction form
    125,731.58/173,504.30 = 71,287.41/x
  3. Step 3: Cross multiply
    125,731.58x = 173,504.30 × 71,287.41
  4. Step 4: Simplify right side
    125,731.58x = 12,368,672,170.86
  5. Step 5: Solve for x
    x = 12,368,672,170.86/125,731.58
  6. Step 6: Final answer
    x = 98,373.63

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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.