Home / 89,306.82-133,939.98-26,113.86

Finding the Fourth Proportional to 89,306.82, 133,939.98 and 26,113.86

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Solution

The fourth proportional to 89,306.82, 133,939.98 and 26,113.86 is: 39,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,306.82 : 133,939.98 = 26,113.86 : x
  2. Step 2: Convert to fraction form
    89,306.82/133,939.98 = 26,113.86/x
  3. Step 3: Cross multiply
    89,306.82x = 133,939.98 × 26,113.86
  4. Step 4: Simplify right side
    89,306.82x = 3,497,689,886.12
  5. Step 5: Solve for x
    x = 3,497,689,886.12/89,306.82
  6. Step 6: Final answer
    x = 39,164.87

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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.