Home / 156,996.24-216,660.50-89,941.20

Finding the Fourth Proportional to 156,996.24, 216,660.50 and 89,941.20

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Solution

The fourth proportional to 156,996.24, 216,660.50 and 89,941.20 is: 124,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,996.24 : 216,660.50 = 89,941.20 : x
  2. Step 2: Convert to fraction form
    156,996.24/216,660.50 = 89,941.20/x
  3. Step 3: Cross multiply
    156,996.24x = 216,660.50 × 89,941.20
  4. Step 4: Simplify right side
    156,996.24x = 19,486,704,912.89
  5. Step 5: Solve for x
    x = 19,486,704,912.89/156,996.24
  6. Step 6: Final answer
    x = 124,122.11

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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.