Home / 125,530.56-173,236.32-68,947.20

Finding the Fourth Proportional to 125,530.56, 173,236.32 and 68,947.20

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Solution

The fourth proportional to 125,530.56, 173,236.32 and 68,947.20 is: 95,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,530.56 : 173,236.32 = 68,947.20 : x
  2. Step 2: Convert to fraction form
    125,530.56/173,236.32 = 68,947.20/x
  3. Step 3: Cross multiply
    125,530.56x = 173,236.32 × 68,947.20
  4. Step 4: Simplify right side
    125,530.56x = 11,944,159,202.30
  5. Step 5: Solve for x
    x = 11,944,159,202.30/125,530.56
  6. Step 6: Final answer
    x = 95,149.41

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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.