Home / 87,247.39-130,855.51-23,205.89

Finding the Fourth Proportional to 87,247.39, 130,855.51 and 23,205.89

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Solution

The fourth proportional to 87,247.39, 130,855.51 and 23,205.89 is: 34,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,247.39 : 130,855.51 = 23,205.89 : x
  2. Step 2: Convert to fraction form
    87,247.39/130,855.51 = 23,205.89/x
  3. Step 3: Cross multiply
    87,247.39x = 130,855.51 × 23,205.89
  4. Step 4: Simplify right side
    87,247.39x = 3,036,618,454.92
  5. Step 5: Solve for x
    x = 3,036,618,454.92/87,247.39
  6. Step 6: Final answer
    x = 34,804.69

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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.