Home / 165,088.60-246,976.80-143,145.70

Finding the Fourth Proportional to 165,088.60, 246,976.80 and 143,145.70

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Solution

The fourth proportional to 165,088.60, 246,976.80 and 143,145.70 is: 214,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,088.60 : 246,976.80 = 143,145.70 : x
  2. Step 2: Convert to fraction form
    165,088.60/246,976.80 = 143,145.70/x
  3. Step 3: Cross multiply
    165,088.60x = 246,976.80 × 143,145.70
  4. Step 4: Simplify right side
    165,088.60x = 35,353,666,919.76
  5. Step 5: Solve for x
    x = 35,353,666,919.76/165,088.60
  6. Step 6: Final answer
    x = 214,149.66

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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.