Home / 125,378.28-173,013.57-68,793.30

Finding the Fourth Proportional to 125,378.28, 173,013.57 and 68,793.30

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Solution

The fourth proportional to 125,378.28, 173,013.57 and 68,793.30 is: 94,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,378.28 : 173,013.57 = 68,793.30 : x
  2. Step 2: Convert to fraction form
    125,378.28/173,013.57 = 68,793.30/x
  3. Step 3: Cross multiply
    125,378.28x = 173,013.57 × 68,793.30
  4. Step 4: Simplify right side
    125,378.28x = 11,902,174,425.08
  5. Step 5: Solve for x
    x = 11,902,174,425.08/125,378.28
  6. Step 6: Final answer
    x = 94,930.11

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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.