Home / 92,091.60-138,160.38-32,120.93

Finding the Fourth Proportional to 92,091.60, 138,160.38 and 32,120.93

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Solution

The fourth proportional to 92,091.60, 138,160.38 and 32,120.93 is: 48,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,091.60 : 138,160.38 = 32,120.93 : x
  2. Step 2: Convert to fraction form
    92,091.60/138,160.38 = 32,120.93/x
  3. Step 3: Cross multiply
    92,091.60x = 138,160.38 × 32,120.93
  4. Step 4: Simplify right side
    92,091.60x = 4,437,839,894.75
  5. Step 5: Solve for x
    x = 4,437,839,894.75/92,091.60
  6. Step 6: Final answer
    x = 48,189.41

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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.