Home / 115,194.78-158,964.66-64,204.74

Finding the Fourth Proportional to 115,194.78, 158,964.66 and 64,204.74

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Solution

The fourth proportional to 115,194.78, 158,964.66 and 64,204.74 is: 88,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,194.78 : 158,964.66 = 64,204.74 : x
  2. Step 2: Convert to fraction form
    115,194.78/158,964.66 = 64,204.74/x
  3. Step 3: Cross multiply
    115,194.78x = 158,964.66 × 64,204.74
  4. Step 4: Simplify right side
    115,194.78x = 10,206,284,664.49
  5. Step 5: Solve for x
    x = 10,206,284,664.49/115,194.78
  6. Step 6: Final answer
    x = 88,600.24

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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.