Home / 156,849.94-216,452.50-85,229.96

Finding the Fourth Proportional to 156,849.94, 216,452.50 and 85,229.96

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Solution

The fourth proportional to 156,849.94, 216,452.50 and 85,229.96 is: 117,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,849.94 : 216,452.50 = 85,229.96 : x
  2. Step 2: Convert to fraction form
    156,849.94/216,452.50 = 85,229.96/x
  3. Step 3: Cross multiply
    156,849.94x = 216,452.50 × 85,229.96
  4. Step 4: Simplify right side
    156,849.94x = 18,448,237,916.90
  5. Step 5: Solve for x
    x = 18,448,237,916.90/156,849.94
  6. Step 6: Final answer
    x = 117,617.12

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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.