Home / 87,147.70-130,764.75-34,556.02

Finding the Fourth Proportional to 87,147.70, 130,764.75 and 34,556.02

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Solution

The fourth proportional to 87,147.70, 130,764.75 and 34,556.02 is: 51,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,147.70 : 130,764.75 = 34,556.02 : x
  2. Step 2: Convert to fraction form
    87,147.70/130,764.75 = 34,556.02/x
  3. Step 3: Cross multiply
    87,147.70x = 130,764.75 × 34,556.02
  4. Step 4: Simplify right side
    87,147.70x = 4,518,709,316.30
  5. Step 5: Solve for x
    x = 4,518,709,316.30/87,147.70
  6. Step 6: Final answer
    x = 51,851.16

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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.