Home / 87,152.73-130,685.94-30,984.44

Finding the Fourth Proportional to 87,152.73, 130,685.94 and 30,984.44

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Solution

The fourth proportional to 87,152.73, 130,685.94 and 30,984.44 is: 46,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,152.73 : 130,685.94 = 30,984.44 : x
  2. Step 2: Convert to fraction form
    87,152.73/130,685.94 = 30,984.44/x
  3. Step 3: Cross multiply
    87,152.73x = 130,685.94 × 30,984.44
  4. Step 4: Simplify right side
    87,152.73x = 4,049,230,013.34
  5. Step 5: Solve for x
    x = 4,049,230,013.34/87,152.73
  6. Step 6: Final answer
    x = 46,461.31

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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.