Home / 122,689.67-184,034.61-38,456.42

Finding the Fourth Proportional to 122,689.67, 184,034.61 and 38,456.42

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Solution

The fourth proportional to 122,689.67, 184,034.61 and 38,456.42 is: 57,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,689.67 : 184,034.61 = 38,456.42 : x
  2. Step 2: Convert to fraction form
    122,689.67/184,034.61 = 38,456.42/x
  3. Step 3: Cross multiply
    122,689.67x = 184,034.61 × 38,456.42
  4. Step 4: Simplify right side
    122,689.67x = 7,077,311,336.52
  5. Step 5: Solve for x
    x = 7,077,311,336.52/122,689.67
  6. Step 6: Final answer
    x = 57,684.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.