Home / 86,252.63-129,337.97-30,085.92

Finding the Fourth Proportional to 86,252.63, 129,337.97 and 30,085.92

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Solution

The fourth proportional to 86,252.63, 129,337.97 and 30,085.92 is: 45,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,252.63 : 129,337.97 = 30,085.92 : x
  2. Step 2: Convert to fraction form
    86,252.63/129,337.97 = 30,085.92/x
  3. Step 3: Cross multiply
    86,252.63x = 129,337.97 × 30,085.92
  4. Step 4: Simplify right side
    86,252.63x = 3,891,251,818.38
  5. Step 5: Solve for x
    x = 3,891,251,818.38/86,252.63
  6. Step 6: Final answer
    x = 45,114.59

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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.