Home / 159,144.80-238,717.20-74,852.56

Finding the Fourth Proportional to 159,144.80, 238,717.20 and 74,852.56

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Solution

The fourth proportional to 159,144.80, 238,717.20 and 74,852.56 is: 112,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,144.80 : 238,717.20 = 74,852.56 : x
  2. Step 2: Convert to fraction form
    159,144.80/238,717.20 = 74,852.56/x
  3. Step 3: Cross multiply
    159,144.80x = 238,717.20 × 74,852.56
  4. Step 4: Simplify right side
    159,144.80x = 17,868,593,536.03
  5. Step 5: Solve for x
    x = 17,868,593,536.03/159,144.80
  6. Step 6: Final answer
    x = 112,278.84

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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.