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Finding the Fourth Proportional to 162,419.44, 224,137.80 and 90,799.12

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Solution

The fourth proportional to 162,419.44, 224,137.80 and 90,799.12 is: 125,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,419.44 : 224,137.80 = 90,799.12 : x
  2. Step 2: Convert to fraction form
    162,419.44/224,137.80 = 90,799.12/x
  3. Step 3: Cross multiply
    162,419.44x = 224,137.80 × 90,799.12
  4. Step 4: Simplify right side
    162,419.44x = 20,351,514,998.74
  5. Step 5: Solve for x
    x = 20,351,514,998.74/162,419.44
  6. Step 6: Final answer
    x = 125,302.21

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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.