Home / 129,767.86-194,677.98-54,888.22

Finding the Fourth Proportional to 129,767.86, 194,677.98 and 54,888.22

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Solution

The fourth proportional to 129,767.86, 194,677.98 and 54,888.22 is: 82,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,767.86 : 194,677.98 = 54,888.22 : x
  2. Step 2: Convert to fraction form
    129,767.86/194,677.98 = 54,888.22/x
  3. Step 3: Cross multiply
    129,767.86x = 194,677.98 × 54,888.22
  4. Step 4: Simplify right side
    129,767.86x = 10,685,527,795.40
  5. Step 5: Solve for x
    x = 10,685,527,795.40/129,767.86
  6. Step 6: Final answer
    x = 82,343.41

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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.