Home / 129,529.65-194,312.15-45,270.26

Finding the Fourth Proportional to 129,529.65, 194,312.15 and 45,270.26

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Solution

The fourth proportional to 129,529.65, 194,312.15 and 45,270.26 is: 67,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,529.65 : 194,312.15 = 45,270.26 : x
  2. Step 2: Convert to fraction form
    129,529.65/194,312.15 = 45,270.26/x
  3. Step 3: Cross multiply
    129,529.65x = 194,312.15 × 45,270.26
  4. Step 4: Simplify right side
    129,529.65x = 8,796,560,353.75
  5. Step 5: Solve for x
    x = 8,796,560,353.75/129,529.65
  6. Step 6: Final answer
    x = 67,911.56

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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.