Home / 154,261.60-231,606.54-79,435.18

Finding the Fourth Proportional to 154,261.60, 231,606.54 and 79,435.18

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Solution

The fourth proportional to 154,261.60, 231,606.54 and 79,435.18 is: 119,263.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,261.60 : 231,606.54 = 79,435.18 : x
  2. Step 2: Convert to fraction form
    154,261.60/231,606.54 = 79,435.18/x
  3. Step 3: Cross multiply
    154,261.60x = 231,606.54 × 79,435.18
  4. Step 4: Simplify right side
    154,261.60x = 18,397,707,194.08
  5. Step 5: Solve for x
    x = 18,397,707,194.08/154,261.60
  6. Step 6: Final answer
    x = 119,263.04

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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.