Home / 281,060.19-387,872.19-153,735.66

Finding the Fourth Proportional to 281,060.19, 387,872.19 and 153,735.66

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Solution

The fourth proportional to 281,060.19, 387,872.19 and 153,735.66 is: 212,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,060.19 : 387,872.19 = 153,735.66 : x
  2. Step 2: Convert to fraction form
    281,060.19/387,872.19 = 153,735.66/x
  3. Step 3: Cross multiply
    281,060.19x = 387,872.19 × 153,735.66
  4. Step 4: Simplify right side
    281,060.19x = 59,629,787,125.30
  5. Step 5: Solve for x
    x = 59,629,787,125.30/281,060.19
  6. Step 6: Final answer
    x = 212,160.20

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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.