Home / 165,069.60-246,948.30-143,126.70

Finding the Fourth Proportional to 165,069.60, 246,948.30 and 143,126.70

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Solution

The fourth proportional to 165,069.60, 246,948.30 and 143,126.70 is: 214,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,069.60 : 246,948.30 = 143,126.70 : x
  2. Step 2: Convert to fraction form
    165,069.60/246,948.30 = 143,126.70/x
  3. Step 3: Cross multiply
    165,069.60x = 246,948.30 × 143,126.70
  4. Step 4: Simplify right side
    165,069.60x = 35,344,895,249.61
  5. Step 5: Solve for x
    x = 35,344,895,249.61/165,069.60
  6. Step 6: Final answer
    x = 214,121.17

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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.