Home / 89,961.54-124,196.13-54,159.54

Finding the Fourth Proportional to 89,961.54, 124,196.13 and 54,159.54

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Solution

The fourth proportional to 89,961.54, 124,196.13 and 54,159.54 is: 74,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,961.54 : 124,196.13 = 54,159.54 : x
  2. Step 2: Convert to fraction form
    89,961.54/124,196.13 = 54,159.54/x
  3. Step 3: Cross multiply
    89,961.54x = 124,196.13 × 54,159.54
  4. Step 4: Simplify right side
    89,961.54x = 6,726,405,270.58
  5. Step 5: Solve for x
    x = 6,726,405,270.58/89,961.54
  6. Step 6: Final answer
    x = 74,769.79

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1.5x scale

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.