Home / 122,835.89-184,160.20-38,547.44

Finding the Fourth Proportional to 122,835.89, 184,160.20 and 38,547.44

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Solution

The fourth proportional to 122,835.89, 184,160.20 and 38,547.44 is: 57,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,835.89 : 184,160.20 = 38,547.44 : x
  2. Step 2: Convert to fraction form
    122,835.89/184,160.20 = 38,547.44/x
  3. Step 3: Cross multiply
    122,835.89x = 184,160.20 × 38,547.44
  4. Step 4: Simplify right side
    122,835.89x = 7,098,904,259.89
  5. Step 5: Solve for x
    x = 7,098,904,259.89/122,835.89
  6. Step 6: Final answer
    x = 57,791.78

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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.