Home / 140,518.60-193,920.66-80,098.36

Finding the Fourth Proportional to 140,518.60, 193,920.66 and 80,098.36

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Solution

The fourth proportional to 140,518.60, 193,920.66 and 80,098.36 is: 110,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,518.60 : 193,920.66 = 80,098.36 : x
  2. Step 2: Convert to fraction form
    140,518.60/193,920.66 = 80,098.36/x
  3. Step 3: Cross multiply
    140,518.60x = 193,920.66 × 80,098.36
  4. Step 4: Simplify right side
    140,518.60x = 15,532,726,836.12
  5. Step 5: Solve for x
    x = 15,532,726,836.12/140,518.60
  6. Step 6: Final answer
    x = 110,538.58

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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.