Home / 129,835.10-194,752.65-83,179.10

Finding the Fourth Proportional to 129,835.10, 194,752.65 and 83,179.10

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Solution

The fourth proportional to 129,835.10, 194,752.65 and 83,179.10 is: 124,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,835.10 : 194,752.65 = 83,179.10 : x
  2. Step 2: Convert to fraction form
    129,835.10/194,752.65 = 83,179.10/x
  3. Step 3: Cross multiply
    129,835.10x = 194,752.65 × 83,179.10
  4. Step 4: Simplify right side
    129,835.10x = 16,199,350,149.62
  5. Step 5: Solve for x
    x = 16,199,350,149.62/129,835.10
  6. Step 6: Final answer
    x = 124,768.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.