Home / 89,167.46-123,063.66-55,186.84

Finding the Fourth Proportional to 89,167.46, 123,063.66 and 55,186.84

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Solution

The fourth proportional to 89,167.46, 123,063.66 and 55,186.84 is: 76,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,167.46 : 123,063.66 = 55,186.84 : x
  2. Step 2: Convert to fraction form
    89,167.46/123,063.66 = 55,186.84/x
  3. Step 3: Cross multiply
    89,167.46x = 123,063.66 × 55,186.84
  4. Step 4: Simplify right side
    89,167.46x = 6,791,494,514.23
  5. Step 5: Solve for x
    x = 6,791,494,514.23/89,167.46
  6. Step 6: Final answer
    x = 76,165.62

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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.