Home / 87,197.69-130,808.82-28,013.51

Finding the Fourth Proportional to 87,197.69, 130,808.82 and 28,013.51

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Solution

The fourth proportional to 87,197.69, 130,808.82 and 28,013.51 is: 42,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,197.69 : 130,808.82 = 28,013.51 : x
  2. Step 2: Convert to fraction form
    87,197.69/130,808.82 = 28,013.51/x
  3. Step 3: Cross multiply
    87,197.69x = 130,808.82 × 28,013.51
  4. Step 4: Simplify right side
    87,197.69x = 3,664,414,187.16
  5. Step 5: Solve for x
    x = 3,664,414,187.16/87,197.69
  6. Step 6: Final answer
    x = 42,024.21

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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.