Home / 86,452.25-129,678.38-24,122.75

Finding the Fourth Proportional to 86,452.25, 129,678.38 and 24,122.75

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Solution

The fourth proportional to 86,452.25, 129,678.38 and 24,122.75 is: 36,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,452.25 : 129,678.38 = 24,122.75 : x
  2. Step 2: Convert to fraction form
    86,452.25/129,678.38 = 24,122.75/x
  3. Step 3: Cross multiply
    86,452.25x = 129,678.38 × 24,122.75
  4. Step 4: Simplify right side
    86,452.25x = 3,128,199,020.53
  5. Step 5: Solve for x
    x = 3,128,199,020.53/86,452.25
  6. Step 6: Final answer
    x = 36,184.13

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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.