Home / 140,850.28-211,358.45-52,166.06

Finding the Fourth Proportional to 140,850.28, 211,358.45 and 52,166.06

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Solution

The fourth proportional to 140,850.28, 211,358.45 and 52,166.06 is: 78,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,850.28 : 211,358.45 = 52,166.06 : x
  2. Step 2: Convert to fraction form
    140,850.28/211,358.45 = 52,166.06/x
  3. Step 3: Cross multiply
    140,850.28x = 211,358.45 × 52,166.06
  4. Step 4: Simplify right side
    140,850.28x = 11,025,737,156.99
  5. Step 5: Solve for x
    x = 11,025,737,156.99/140,850.28
  6. Step 6: Final answer
    x = 78,279.84

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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.