Home / 89,928.20-124,150.62-54,127

Finding the Fourth Proportional to 89,928.20, 124,150.62 and 54,127

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Solution

The fourth proportional to 89,928.20, 124,150.62 and 54,127 is: 74,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,928.20 : 124,150.62 = 54,127 : x
  2. Step 2: Convert to fraction form
    89,928.20/124,150.62 = 54,127/x
  3. Step 3: Cross multiply
    89,928.20x = 124,150.62 × 54,127
  4. Step 4: Simplify right side
    89,928.20x = 6,719,900,608.74
  5. Step 5: Solve for x
    x = 6,719,900,608.74/89,928.20
  6. Step 6: Final answer
    x = 74,725.18

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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.