Home / 156,072.93-215,380.31-84,452.93

Finding the Fourth Proportional to 156,072.93, 215,380.31 and 84,452.93

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Solution

The fourth proportional to 156,072.93, 215,380.31 and 84,452.93 is: 116,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,072.93 : 215,380.31 = 84,452.93 : x
  2. Step 2: Convert to fraction form
    156,072.93/215,380.31 = 84,452.93/x
  3. Step 3: Cross multiply
    156,072.93x = 215,380.31 × 84,452.93
  4. Step 4: Simplify right side
    156,072.93x = 18,189,496,744.64
  5. Step 5: Solve for x
    x = 18,189,496,744.64/156,072.93
  6. Step 6: Final answer
    x = 116,544.85

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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.