Home / 162,422.20-243,374.10-135,983.80

Finding the Fourth Proportional to 162,422.20, 243,374.10 and 135,983.80

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Solution

The fourth proportional to 162,422.20, 243,374.10 and 135,983.80 is: 203,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,422.20 : 243,374.10 = 135,983.80 : x
  2. Step 2: Convert to fraction form
    162,422.20/243,374.10 = 135,983.80/x
  3. Step 3: Cross multiply
    162,422.20x = 243,374.10 × 135,983.80
  4. Step 4: Simplify right side
    162,422.20x = 33,094,934,939.58
  5. Step 5: Solve for x
    x = 33,094,934,939.58/162,422.20
  6. Step 6: Final answer
    x = 203,758.69

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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.