Home / 159,261.19-238,928.74-54,080.26

Finding the Fourth Proportional to 159,261.19, 238,928.74 and 54,080.26

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Solution

The fourth proportional to 159,261.19, 238,928.74 and 54,080.26 is: 81,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,261.19 : 238,928.74 = 54,080.26 : x
  2. Step 2: Convert to fraction form
    159,261.19/238,928.74 = 54,080.26/x
  3. Step 3: Cross multiply
    159,261.19x = 238,928.74 × 54,080.26
  4. Step 4: Simplify right side
    159,261.19x = 12,921,327,648.15
  5. Step 5: Solve for x
    x = 12,921,327,648.15/159,261.19
  6. Step 6: Final answer
    x = 81,132.94

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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.