Home / 98,252.20-147,402.60-31,699.36

Finding the Fourth Proportional to 98,252.20, 147,402.60 and 31,699.36

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Solution

The fourth proportional to 98,252.20, 147,402.60 and 31,699.36 is: 47,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,252.20 : 147,402.60 = 31,699.36 : x
  2. Step 2: Convert to fraction form
    98,252.20/147,402.60 = 31,699.36/x
  3. Step 3: Cross multiply
    98,252.20x = 147,402.60 × 31,699.36
  4. Step 4: Simplify right side
    98,252.20x = 4,672,568,082.34
  5. Step 5: Solve for x
    x = 4,672,568,082.34/98,252.20
  6. Step 6: Final answer
    x = 47,556.88

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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.