Home / 162,121.14-243,330.03-82,214.25

Finding the Fourth Proportional to 162,121.14, 243,330.03 and 82,214.25

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Solution

The fourth proportional to 162,121.14, 243,330.03 and 82,214.25 is: 123,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,121.14 : 243,330.03 = 82,214.25 : x
  2. Step 2: Convert to fraction form
    162,121.14/243,330.03 = 82,214.25/x
  3. Step 3: Cross multiply
    162,121.14x = 243,330.03 × 82,214.25
  4. Step 4: Simplify right side
    162,121.14x = 20,005,195,918.93
  5. Step 5: Solve for x
    x = 20,005,195,918.93/162,121.14
  6. Step 6: Final answer
    x = 123,396.59

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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.