Home / 162,342.12-224,042.52-90,722.44

Finding the Fourth Proportional to 162,342.12, 224,042.52 and 90,722.44

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Solution

The fourth proportional to 162,342.12, 224,042.52 and 90,722.44 is: 125,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,342.12 : 224,042.52 = 90,722.44 : x
  2. Step 2: Convert to fraction form
    162,342.12/224,042.52 = 90,722.44/x
  3. Step 3: Cross multiply
    162,342.12x = 224,042.52 × 90,722.44
  4. Step 4: Simplify right side
    162,342.12x = 20,325,684,078.15
  5. Step 5: Solve for x
    x = 20,325,684,078.15/162,342.12
  6. Step 6: Final answer
    x = 125,202.78

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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.