Home / 140,095.92-193,343.82-79,685.46

Finding the Fourth Proportional to 140,095.92, 193,343.82 and 79,685.46

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Solution

The fourth proportional to 140,095.92, 193,343.82 and 79,685.46 is: 109,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,095.92 : 193,343.82 = 79,685.46 : x
  2. Step 2: Convert to fraction form
    140,095.92/193,343.82 = 79,685.46/x
  3. Step 3: Cross multiply
    140,095.92x = 193,343.82 × 79,685.46
  4. Step 4: Simplify right side
    140,095.92x = 15,406,691,234.86
  5. Step 5: Solve for x
    x = 15,406,691,234.86/140,095.92
  6. Step 6: Final answer
    x = 109,972.45

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1.5x scale

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.