Home / 140,095.43-193,337.12-79,671.59

Finding the Fourth Proportional to 140,095.43, 193,337.12 and 79,671.59

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Solution

The fourth proportional to 140,095.43, 193,337.12 and 79,671.59 is: 109,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,095.43 : 193,337.12 = 79,671.59 : x
  2. Step 2: Convert to fraction form
    140,095.43/193,337.12 = 79,671.59/x
  3. Step 3: Cross multiply
    140,095.43x = 193,337.12 × 79,671.59
  4. Step 4: Simplify right side
    140,095.43x = 15,403,475,756.42
  5. Step 5: Solve for x
    x = 15,403,475,756.42/140,095.43
  6. Step 6: Final answer
    x = 109,949.88

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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.