Home / 154,720.20-233,052.72-140,769.84

Finding the Fourth Proportional to 154,720.20, 233,052.72 and 140,769.84

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Solution

The fourth proportional to 154,720.20, 233,052.72 and 140,769.84 is: 212,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,720.20 : 233,052.72 = 140,769.84 : x
  2. Step 2: Convert to fraction form
    154,720.20/233,052.72 = 140,769.84/x
  3. Step 3: Cross multiply
    154,720.20x = 233,052.72 × 140,769.84
  4. Step 4: Simplify right side
    154,720.20x = 32,806,794,105.96
  5. Step 5: Solve for x
    x = 32,806,794,105.96/154,720.20
  6. Step 6: Final answer
    x = 212,039.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.