Home / 129,667.46-194,501.22-40,927.88

Finding the Fourth Proportional to 129,667.46, 194,501.22 and 40,927.88

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Solution

The fourth proportional to 129,667.46, 194,501.22 and 40,927.88 is: 61,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,667.46 : 194,501.22 = 40,927.88 : x
  2. Step 2: Convert to fraction form
    129,667.46/194,501.22 = 40,927.88/x
  3. Step 3: Cross multiply
    129,667.46x = 194,501.22 × 40,927.88
  4. Step 4: Simplify right side
    129,667.46x = 7,960,522,592.01
  5. Step 5: Solve for x
    x = 7,960,522,592.01/129,667.46
  6. Step 6: Final answer
    x = 61,391.83

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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.