Home / 140,432.28-193,749.21-79,960.14

Finding the Fourth Proportional to 140,432.28, 193,749.21 and 79,960.14

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Solution

The fourth proportional to 140,432.28, 193,749.21 and 79,960.14 is: 110,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,432.28 : 193,749.21 = 79,960.14 : x
  2. Step 2: Convert to fraction form
    140,432.28/193,749.21 = 79,960.14/x
  3. Step 3: Cross multiply
    140,432.28x = 193,749.21 × 79,960.14
  4. Step 4: Simplify right side
    140,432.28x = 15,492,213,956.49
  5. Step 5: Solve for x
    x = 15,492,213,956.49/140,432.28
  6. Step 6: Final answer
    x = 110,318.04

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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.