Home / 156,949.50-216,589.24-85,329.53

Finding the Fourth Proportional to 156,949.50, 216,589.24 and 85,329.53

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Solution

The fourth proportional to 156,949.50, 216,589.24 and 85,329.53 is: 117,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.50 : 216,589.24 = 85,329.53 : x
  2. Step 2: Convert to fraction form
    156,949.50/216,589.24 = 85,329.53/x
  3. Step 3: Cross multiply
    156,949.50x = 216,589.24 × 85,329.53
  4. Step 4: Simplify right side
    156,949.50x = 18,481,458,052.26
  5. Step 5: Solve for x
    x = 18,481,458,052.26/156,949.50
  6. Step 6: Final answer
    x = 117,754.17

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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.