Home / 154,627.31-231,474.06-139,843.19

Finding the Fourth Proportional to 154,627.31, 231,474.06 and 139,843.19

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Solution

The fourth proportional to 154,627.31, 231,474.06 and 139,843.19 is: 209,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,627.31 : 231,474.06 = 139,843.19 : x
  2. Step 2: Convert to fraction form
    154,627.31/231,474.06 = 139,843.19/x
  3. Step 3: Cross multiply
    154,627.31x = 231,474.06 × 139,843.19
  4. Step 4: Simplify right side
    154,627.31x = 32,370,069,795.28
  5. Step 5: Solve for x
    x = 32,370,069,795.28/154,627.31
  6. Step 6: Final answer
    x = 209,342.52

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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.