Home / 165,527.20-247,644.95-145,376.72

Finding the Fourth Proportional to 165,527.20, 247,644.95 and 145,376.72

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Solution

The fourth proportional to 165,527.20, 247,644.95 and 145,376.72 is: 217,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,527.20 : 247,644.95 = 145,376.72 : x
  2. Step 2: Convert to fraction form
    165,527.20/247,644.95 = 145,376.72/x
  3. Step 3: Cross multiply
    165,527.20x = 247,644.95 × 145,376.72
  4. Step 4: Simplify right side
    165,527.20x = 36,001,810,912.13
  5. Step 5: Solve for x
    x = 36,001,810,912.13/165,527.20
  6. Step 6: Final answer
    x = 217,497.86

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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.