Home / 89,538.33-134,184.17-45,194.48

Finding the Fourth Proportional to 89,538.33, 134,184.17 and 45,194.48

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Solution

The fourth proportional to 89,538.33, 134,184.17 and 45,194.48 is: 67,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,538.33 : 134,184.17 = 45,194.48 : x
  2. Step 2: Convert to fraction form
    89,538.33/134,184.17 = 45,194.48/x
  3. Step 3: Cross multiply
    89,538.33x = 134,184.17 × 45,194.48
  4. Step 4: Simplify right side
    89,538.33x = 6,064,383,787.38
  5. Step 5: Solve for x
    x = 6,064,383,787.38/89,538.33
  6. Step 6: Final answer
    x = 67,729.47

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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.