Home / 129,864.35-194,802.60-41,124.80

Finding the Fourth Proportional to 129,864.35, 194,802.60 and 41,124.80

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Solution

The fourth proportional to 129,864.35, 194,802.60 and 41,124.80 is: 61,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,864.35 : 194,802.60 = 41,124.80 : x
  2. Step 2: Convert to fraction form
    129,864.35/194,802.60 = 41,124.80/x
  3. Step 3: Cross multiply
    129,864.35x = 194,802.60 × 41,124.80
  4. Step 4: Simplify right side
    129,864.35x = 8,011,217,964.48
  5. Step 5: Solve for x
    x = 8,011,217,964.48/129,864.35
  6. Step 6: Final answer
    x = 61,689.12

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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.