Home / 147,236.38-220,869.89-40,620.34

Finding the Fourth Proportional to 147,236.38, 220,869.89 and 40,620.34

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Solution

The fourth proportional to 147,236.38, 220,869.89 and 40,620.34 is: 60,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,236.38 : 220,869.89 = 40,620.34 : x
  2. Step 2: Convert to fraction form
    147,236.38/220,869.89 = 40,620.34/x
  3. Step 3: Cross multiply
    147,236.38x = 220,869.89 × 40,620.34
  4. Step 4: Simplify right side
    147,236.38x = 8,971,810,027.56
  5. Step 5: Solve for x
    x = 8,971,810,027.56/147,236.38
  6. Step 6: Final answer
    x = 60,934.74

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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.