Home / 156,844.73-216,446.40-85,225.04

Finding the Fourth Proportional to 156,844.73, 216,446.40 and 85,225.04

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Solution

The fourth proportional to 156,844.73, 216,446.40 and 85,225.04 is: 117,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,844.73 : 216,446.40 = 85,225.04 : x
  2. Step 2: Convert to fraction form
    156,844.73/216,446.40 = 85,225.04/x
  3. Step 3: Cross multiply
    156,844.73x = 216,446.40 × 85,225.04
  4. Step 4: Simplify right side
    156,844.73x = 18,446,652,015.62
  5. Step 5: Solve for x
    x = 18,446,652,015.62/156,844.73
  6. Step 6: Final answer
    x = 117,610.92

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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.