Home / 87,172.08-130,738.68-34,567.44

Finding the Fourth Proportional to 87,172.08, 130,738.68 and 34,567.44

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Solution

The fourth proportional to 87,172.08, 130,738.68 and 34,567.44 is: 51,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,172.08 : 130,738.68 = 34,567.44 : x
  2. Step 2: Convert to fraction form
    87,172.08/130,738.68 = 34,567.44/x
  3. Step 3: Cross multiply
    87,172.08x = 130,738.68 × 34,567.44
  4. Step 4: Simplify right side
    87,172.08x = 4,519,301,476.58
  5. Step 5: Solve for x
    x = 4,519,301,476.58/87,172.08
  6. Step 6: Final answer
    x = 51,843.45

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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.