Home / 115,204.45-158,962.87-64,206.01

Finding the Fourth Proportional to 115,204.45, 158,962.87 and 64,206.01

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Solution

The fourth proportional to 115,204.45, 158,962.87 and 64,206.01 is: 88,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,204.45 : 158,962.87 = 64,206.01 : x
  2. Step 2: Convert to fraction form
    115,204.45/158,962.87 = 64,206.01/x
  3. Step 3: Cross multiply
    115,204.45x = 158,962.87 × 64,206.01
  4. Step 4: Simplify right side
    115,204.45x = 10,206,371,620.85
  5. Step 5: Solve for x
    x = 10,206,371,620.85/115,204.45
  6. Step 6: Final answer
    x = 88,593.55

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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.