Home / 86,252.13-129,337.22-30,085.42

Finding the Fourth Proportional to 86,252.13, 129,337.22 and 30,085.42

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Solution

The fourth proportional to 86,252.13, 129,337.22 and 30,085.42 is: 45,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,252.13 : 129,337.22 = 30,085.42 : x
  2. Step 2: Convert to fraction form
    86,252.13/129,337.22 = 30,085.42/x
  3. Step 3: Cross multiply
    86,252.13x = 129,337.22 × 30,085.42
  4. Step 4: Simplify right side
    86,252.13x = 3,891,164,585.33
  5. Step 5: Solve for x
    x = 3,891,164,585.33/86,252.13
  6. Step 6: Final answer
    x = 45,113.84

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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.