Home / 89,567.20-134,350.80-75,743.20

Finding the Fourth Proportional to 89,567.20, 134,350.80 and 75,743.20

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Solution

The fourth proportional to 89,567.20, 134,350.80 and 75,743.20 is: 113,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,567.20 : 134,350.80 = 75,743.20 : x
  2. Step 2: Convert to fraction form
    89,567.20/134,350.80 = 75,743.20/x
  3. Step 3: Cross multiply
    89,567.20x = 134,350.80 × 75,743.20
  4. Step 4: Simplify right side
    89,567.20x = 10,176,159,514.56
  5. Step 5: Solve for x
    x = 10,176,159,514.56/89,567.20
  6. Step 6: Final answer
    x = 113,614.80

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1.5x scale

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.