Home / 154,227.24-212,819.70-89,697.07

Finding the Fourth Proportional to 154,227.24, 212,819.70 and 89,697.07

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Solution

The fourth proportional to 154,227.24, 212,819.70 and 89,697.07 is: 123,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,227.24 : 212,819.70 = 89,697.07 : x
  2. Step 2: Convert to fraction form
    154,227.24/212,819.70 = 89,697.07/x
  3. Step 3: Cross multiply
    154,227.24x = 212,819.70 × 89,697.07
  4. Step 4: Simplify right side
    154,227.24x = 19,089,304,130.67
  5. Step 5: Solve for x
    x = 19,089,304,130.67/154,227.24
  6. Step 6: Final answer
    x = 123,773.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.