Home / 175,516.20-263,274.30-145,991.70

Finding the Fourth Proportional to 175,516.20, 263,274.30 and 145,991.70

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Solution

The fourth proportional to 175,516.20, 263,274.30 and 145,991.70 is: 218,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,516.20 : 263,274.30 = 145,991.70 : x
  2. Step 2: Convert to fraction form
    175,516.20/263,274.30 = 145,991.70/x
  3. Step 3: Cross multiply
    175,516.20x = 263,274.30 × 145,991.70
  4. Step 4: Simplify right side
    175,516.20x = 38,435,862,623.31
  5. Step 5: Solve for x
    x = 38,435,862,623.31/175,516.20
  6. Step 6: Final answer
    x = 218,987.55

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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.