Home / 115,184.70-158,967.77-64,202.09

Finding the Fourth Proportional to 115,184.70, 158,967.77 and 64,202.09

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Solution

The fourth proportional to 115,184.70, 158,967.77 and 64,202.09 is: 88,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,184.70 : 158,967.77 = 64,202.09 : x
  2. Step 2: Convert to fraction form
    115,184.70/158,967.77 = 64,202.09/x
  3. Step 3: Cross multiply
    115,184.70x = 158,967.77 × 64,202.09
  4. Step 4: Simplify right side
    115,184.70x = 10,206,061,960.79
  5. Step 5: Solve for x
    x = 10,206,061,960.79/115,184.70
  6. Step 6: Final answer
    x = 88,606.06

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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.