Home / 165,091.60-246,981.30-143,148.70

Finding the Fourth Proportional to 165,091.60, 246,981.30 and 143,148.70

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Solution

The fourth proportional to 165,091.60, 246,981.30 and 143,148.70 is: 214,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,091.60 : 246,981.30 = 143,148.70 : x
  2. Step 2: Convert to fraction form
    165,091.60/246,981.30 = 143,148.70/x
  3. Step 3: Cross multiply
    165,091.60x = 246,981.30 × 143,148.70
  4. Step 4: Simplify right side
    165,091.60x = 35,355,052,019.31
  5. Step 5: Solve for x
    x = 35,355,052,019.31/165,091.60
  6. Step 6: Final answer
    x = 214,154.15

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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.