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Finding the Fourth Proportional to 162,245.80, 243,138.30 and 119,794.60

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Solution

The fourth proportional to 162,245.80, 243,138.30 and 119,794.60 is: 179,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,245.80 : 243,138.30 = 119,794.60 : x
  2. Step 2: Convert to fraction form
    162,245.80/243,138.30 = 119,794.60/x
  3. Step 3: Cross multiply
    162,245.80x = 243,138.30 × 119,794.60
  4. Step 4: Simplify right side
    162,245.80x = 29,126,655,393.18
  5. Step 5: Solve for x
    x = 29,126,655,393.18/162,245.80
  6. Step 6: Final answer
    x = 179,521.78

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1.5x scale

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.