Home / 89,446.86-134,189.73-27,122.22

Finding the Fourth Proportional to 89,446.86, 134,189.73 and 27,122.22

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Solution

The fourth proportional to 89,446.86, 134,189.73 and 27,122.22 is: 40,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,446.86 : 134,189.73 = 27,122.22 : x
  2. Step 2: Convert to fraction form
    89,446.86/134,189.73 = 27,122.22/x
  3. Step 3: Cross multiply
    89,446.86x = 134,189.73 × 27,122.22
  4. Step 4: Simplify right side
    89,446.86x = 3,639,523,378.80
  5. Step 5: Solve for x
    x = 3,639,523,378.80/89,446.86
  6. Step 6: Final answer
    x = 40,689.22

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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.