Home / 129,948.30-194,776.65-73,815.30

Finding the Fourth Proportional to 129,948.30, 194,776.65 and 73,815.30

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Solution

The fourth proportional to 129,948.30, 194,776.65 and 73,815.30 is: 110,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,948.30 : 194,776.65 = 73,815.30 : x
  2. Step 2: Convert to fraction form
    129,948.30/194,776.65 = 73,815.30/x
  3. Step 3: Cross multiply
    129,948.30x = 194,776.65 × 73,815.30
  4. Step 4: Simplify right side
    129,948.30x = 14,377,496,852.75
  5. Step 5: Solve for x
    x = 14,377,496,852.75/129,948.30
  6. Step 6: Final answer
    x = 110,640.13

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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.