Home / 115,214.91-158,995.89-67,458.66

Finding the Fourth Proportional to 115,214.91, 158,995.89 and 67,458.66

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Solution

The fourth proportional to 115,214.91, 158,995.89 and 67,458.66 is: 93,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,214.91 : 158,995.89 = 67,458.66 : x
  2. Step 2: Convert to fraction form
    115,214.91/158,995.89 = 67,458.66/x
  3. Step 3: Cross multiply
    115,214.91x = 158,995.89 × 67,458.66
  4. Step 4: Simplify right side
    115,214.91x = 10,725,649,684.91
  5. Step 5: Solve for x
    x = 10,725,649,684.91/115,214.91
  6. Step 6: Final answer
    x = 93,092.55

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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.