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Finding the Fourth Proportional to 162,351.44, 224,044.25 and 90,731.42

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Solution

The fourth proportional to 162,351.44, 224,044.25 and 90,731.42 is: 125,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,351.44 : 224,044.25 = 90,731.42 : x
  2. Step 2: Convert to fraction form
    162,351.44/224,044.25 = 90,731.42/x
  3. Step 3: Cross multiply
    162,351.44x = 224,044.25 × 90,731.42
  4. Step 4: Simplify right side
    162,351.44x = 20,327,851,371.46
  5. Step 5: Solve for x
    x = 20,327,851,371.46/162,351.44
  6. Step 6: Final answer
    x = 125,208.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.