Home / 156,072.27-215,379.81-84,452.07

Finding the Fourth Proportional to 156,072.27, 215,379.81 and 84,452.07

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Solution

The fourth proportional to 156,072.27, 215,379.81 and 84,452.07 is: 116,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,072.27 : 215,379.81 = 84,452.07 : x
  2. Step 2: Convert to fraction form
    156,072.27/215,379.81 = 84,452.07/x
  3. Step 3: Cross multiply
    156,072.27x = 215,379.81 × 84,452.07
  4. Step 4: Simplify right side
    156,072.27x = 18,189,270,790.71
  5. Step 5: Solve for x
    x = 18,189,270,790.71/156,072.27
  6. Step 6: Final answer
    x = 116,543.90

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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.