Home / 159,091.92-219,547-87,473.16

Finding the Fourth Proportional to 159,091.92, 219,547 and 87,473.16

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Solution

The fourth proportional to 159,091.92, 219,547 and 87,473.16 is: 120,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,091.92 : 219,547 = 87,473.16 : x
  2. Step 2: Convert to fraction form
    159,091.92/219,547 = 87,473.16/x
  3. Step 3: Cross multiply
    159,091.92x = 219,547 × 87,473.16
  4. Step 4: Simplify right side
    159,091.92x = 19,204,469,858.52
  5. Step 5: Solve for x
    x = 19,204,469,858.52/159,091.92
  6. Step 6: Final answer
    x = 120,713.04

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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.