Home / 129,094.59-193,642.04-40,348.56

Finding the Fourth Proportional to 129,094.59, 193,642.04 and 40,348.56

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Solution

The fourth proportional to 129,094.59, 193,642.04 and 40,348.56 is: 60,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,094.59 : 193,642.04 = 40,348.56 : x
  2. Step 2: Convert to fraction form
    129,094.59/193,642.04 = 40,348.56/x
  3. Step 3: Cross multiply
    129,094.59x = 193,642.04 × 40,348.56
  4. Step 4: Simplify right side
    129,094.59x = 7,813,177,267.72
  5. Step 5: Solve for x
    x = 7,813,177,267.72/129,094.59
  6. Step 6: Final answer
    x = 60,522.89

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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.