Home / 161,974.26-243,031.56-87,006.94

Finding the Fourth Proportional to 161,974.26, 243,031.56 and 87,006.94

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Solution

The fourth proportional to 161,974.26, 243,031.56 and 87,006.94 is: 130,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,974.26 : 243,031.56 = 87,006.94 : x
  2. Step 2: Convert to fraction form
    161,974.26/243,031.56 = 87,006.94/x
  3. Step 3: Cross multiply
    161,974.26x = 243,031.56 × 87,006.94
  4. Step 4: Simplify right side
    161,974.26x = 21,145,432,359.03
  5. Step 5: Solve for x
    x = 21,145,432,359.03/161,974.26
  6. Step 6: Final answer
    x = 130,548.10

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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.