Home / 125,827.38-173,648.96-72,121.34

Finding the Fourth Proportional to 125,827.38, 173,648.96 and 72,121.34

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Solution

The fourth proportional to 125,827.38, 173,648.96 and 72,121.34 is: 99,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,827.38 : 173,648.96 = 72,121.34 : x
  2. Step 2: Convert to fraction form
    125,827.38/173,648.96 = 72,121.34/x
  3. Step 3: Cross multiply
    125,827.38x = 173,648.96 × 72,121.34
  4. Step 4: Simplify right side
    125,827.38x = 12,523,794,455.95
  5. Step 5: Solve for x
    x = 12,523,794,455.95/125,827.38
  6. Step 6: Final answer
    x = 99,531.55

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1.5x scale

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.