Home / 140,050.80-193,251.87-79,620.17

Finding the Fourth Proportional to 140,050.80, 193,251.87 and 79,620.17

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Solution

The fourth proportional to 140,050.80, 193,251.87 and 79,620.17 is: 109,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,050.80 : 193,251.87 = 79,620.17 : x
  2. Step 2: Convert to fraction form
    140,050.80/193,251.87 = 79,620.17/x
  3. Step 3: Cross multiply
    140,050.80x = 193,251.87 × 79,620.17
  4. Step 4: Simplify right side
    140,050.80x = 15,386,745,775.96
  5. Step 5: Solve for x
    x = 15,386,745,775.96/140,050.80
  6. Step 6: Final answer
    x = 109,865.46

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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.