Home / 115,209.33-158,992.25-67,458.21

Finding the Fourth Proportional to 115,209.33, 158,992.25 and 67,458.21

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Solution

The fourth proportional to 115,209.33, 158,992.25 and 67,458.21 is: 93,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209.33 : 158,992.25 = 67,458.21 : x
  2. Step 2: Convert to fraction form
    115,209.33/158,992.25 = 67,458.21/x
  3. Step 3: Cross multiply
    115,209.33x = 158,992.25 × 67,458.21
  4. Step 4: Simplify right side
    115,209.33x = 10,725,332,251.58
  5. Step 5: Solve for x
    x = 10,725,332,251.58/115,209.33
  6. Step 6: Final answer
    x = 93,094.30

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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.