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Finding the Fourth Proportional to 162,363.78, 224,064.55 and 90,748.44

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Solution

The fourth proportional to 162,363.78, 224,064.55 and 90,748.44 is: 125,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,363.78 : 224,064.55 = 90,748.44 : x
  2. Step 2: Convert to fraction form
    162,363.78/224,064.55 = 90,748.44/x
  3. Step 3: Cross multiply
    162,363.78x = 224,064.55 × 90,748.44
  4. Step 4: Simplify right side
    162,363.78x = 20,333,508,371.80
  5. Step 5: Solve for x
    x = 20,333,508,371.80/162,363.78
  6. Step 6: Final answer
    x = 125,234.26

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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.