Home / 146,538.40-219,937.20-125,543.20

Finding the Fourth Proportional to 146,538.40, 219,937.20 and 125,543.20

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Solution

The fourth proportional to 146,538.40, 219,937.20 and 125,543.20 is: 188,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,538.40 : 219,937.20 = 125,543.20 : x
  2. Step 2: Convert to fraction form
    146,538.40/219,937.20 = 125,543.20/x
  3. Step 3: Cross multiply
    146,538.40x = 219,937.20 × 125,543.20
  4. Step 4: Simplify right side
    146,538.40x = 27,611,619,887.04
  5. Step 5: Solve for x
    x = 27,611,619,887.04/146,538.40
  6. Step 6: Final answer
    x = 188,425.83

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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.