Home / 129,877.27-194,827.01-45,630.11

Finding the Fourth Proportional to 129,877.27, 194,827.01 and 45,630.11

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Solution

The fourth proportional to 129,877.27, 194,827.01 and 45,630.11 is: 68,449.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,877.27 : 194,827.01 = 45,630.11 : x
  2. Step 2: Convert to fraction form
    129,877.27/194,827.01 = 45,630.11/x
  3. Step 3: Cross multiply
    129,877.27x = 194,827.01 × 45,630.11
  4. Step 4: Simplify right side
    129,877.27x = 8,889,978,156.19
  5. Step 5: Solve for x
    x = 8,889,978,156.19/129,877.27
  6. Step 6: Final answer
    x = 68,449.07

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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.