Home / 155,372.24-233,071.68-66,604.70

Finding the Fourth Proportional to 155,372.24, 233,071.68 and 66,604.70

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Solution

The fourth proportional to 155,372.24, 233,071.68 and 66,604.70 is: 99,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,372.24 : 233,071.68 = 66,604.70 : x
  2. Step 2: Convert to fraction form
    155,372.24/233,071.68 = 66,604.70/x
  3. Step 3: Cross multiply
    155,372.24x = 233,071.68 × 66,604.70
  4. Step 4: Simplify right side
    155,372.24x = 15,523,669,324.90
  5. Step 5: Solve for x
    x = 15,523,669,324.90/155,372.24
  6. Step 6: Final answer
    x = 99,912.76

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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.