Home / 102,514.65-141,260.25-75,614.55

Finding the Fourth Proportional to 102,514.65, 141,260.25 and 75,614.55

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Solution

The fourth proportional to 102,514.65, 141,260.25 and 75,614.55 is: 104,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,514.65 : 141,260.25 = 75,614.55 : x
  2. Step 2: Convert to fraction form
    102,514.65/141,260.25 = 75,614.55/x
  3. Step 3: Cross multiply
    102,514.65x = 141,260.25 × 75,614.55
  4. Step 4: Simplify right side
    102,514.65x = 10,681,330,236.64
  5. Step 5: Solve for x
    x = 10,681,330,236.64/102,514.65
  6. Step 6: Final answer
    x = 104,193.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.