Home / 115,186.56-158,951.84-64,204.85

Finding the Fourth Proportional to 115,186.56, 158,951.84 and 64,204.85

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Solution

The fourth proportional to 115,186.56, 158,951.84 and 64,204.85 is: 88,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,186.56 : 158,951.84 = 64,204.85 : x
  2. Step 2: Convert to fraction form
    115,186.56/158,951.84 = 64,204.85/x
  3. Step 3: Cross multiply
    115,186.56x = 158,951.84 × 64,204.85
  4. Step 4: Simplify right side
    115,186.56x = 10,205,479,662.51
  5. Step 5: Solve for x
    x = 10,205,479,662.51/115,186.56
  6. Step 6: Final answer
    x = 88,599.57

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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.