Home / 129,547.65-194,321.49-50,606.52

Finding the Fourth Proportional to 129,547.65, 194,321.49 and 50,606.52

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Solution

The fourth proportional to 129,547.65, 194,321.49 and 50,606.52 is: 75,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,547.65 : 194,321.49 = 50,606.52 : x
  2. Step 2: Convert to fraction form
    129,547.65/194,321.49 = 50,606.52/x
  3. Step 3: Cross multiply
    129,547.65x = 194,321.49 × 50,606.52
  4. Step 4: Simplify right side
    129,547.65x = 9,833,934,370.11
  5. Step 5: Solve for x
    x = 9,833,934,370.11/129,547.65
  6. Step 6: Final answer
    x = 75,909.79

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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.