Home / 122,959.10-184,438.65-38,729.90

Finding the Fourth Proportional to 122,959.10, 184,438.65 and 38,729.90

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Solution

The fourth proportional to 122,959.10, 184,438.65 and 38,729.90 is: 58,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,959.10 : 184,438.65 = 38,729.90 : x
  2. Step 2: Convert to fraction form
    122,959.10/184,438.65 = 38,729.90/x
  3. Step 3: Cross multiply
    122,959.10x = 184,438.65 × 38,729.90
  4. Step 4: Simplify right side
    122,959.10x = 7,143,290,470.64
  5. Step 5: Solve for x
    x = 7,143,290,470.64/122,959.10
  6. Step 6: Final answer
    x = 58,094.85

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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.