Home / 87,390.65-131,088.87-24,211.40

Finding the Fourth Proportional to 87,390.65, 131,088.87 and 24,211.40

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Solution

The fourth proportional to 87,390.65, 131,088.87 and 24,211.40 is: 36,317.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,390.65 : 131,088.87 = 24,211.40 : x
  2. Step 2: Convert to fraction form
    87,390.65/131,088.87 = 24,211.40/x
  3. Step 3: Cross multiply
    87,390.65x = 131,088.87 × 24,211.40
  4. Step 4: Simplify right side
    87,390.65x = 3,173,845,394.84
  5. Step 5: Solve for x
    x = 3,173,845,394.84/87,390.65
  6. Step 6: Final answer
    x = 36,317.91

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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.