Home / 111,966.92-154,514.51-60,979.88

Finding the Fourth Proportional to 111,966.92, 154,514.51 and 60,979.88

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Solution

The fourth proportional to 111,966.92, 154,514.51 and 60,979.88 is: 84,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966.92 : 154,514.51 = 60,979.88 : x
  2. Step 2: Convert to fraction form
    111,966.92/154,514.51 = 60,979.88/x
  3. Step 3: Cross multiply
    111,966.92x = 154,514.51 × 60,979.88
  4. Step 4: Simplify right side
    111,966.92x = 9,422,275,200.59
  5. Step 5: Solve for x
    x = 9,422,275,200.59/111,966.92
  6. Step 6: Final answer
    x = 84,152.32

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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.