Home / 129,272.29-193,902.80-40,523.77

Finding the Fourth Proportional to 129,272.29, 193,902.80 and 40,523.77

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Solution

The fourth proportional to 129,272.29, 193,902.80 and 40,523.77 is: 60,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,272.29 : 193,902.80 = 40,523.77 : x
  2. Step 2: Convert to fraction form
    129,272.29/193,902.80 = 40,523.77/x
  3. Step 3: Cross multiply
    129,272.29x = 193,902.80 × 40,523.77
  4. Step 4: Simplify right side
    129,272.29x = 7,857,672,266.94
  5. Step 5: Solve for x
    x = 7,857,672,266.94/129,272.29
  6. Step 6: Final answer
    x = 60,783.89

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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.