Home / 115,187.73-158,960.66-64,199.04

Finding the Fourth Proportional to 115,187.73, 158,960.66 and 64,199.04

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Solution

The fourth proportional to 115,187.73, 158,960.66 and 64,199.04 is: 88,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,187.73 : 158,960.66 = 64,199.04 : x
  2. Step 2: Convert to fraction form
    115,187.73/158,960.66 = 64,199.04/x
  3. Step 3: Cross multiply
    115,187.73x = 158,960.66 × 64,199.04
  4. Step 4: Simplify right side
    115,187.73x = 10,205,121,448.77
  5. Step 5: Solve for x
    x = 10,205,121,448.77/115,187.73
  6. Step 6: Final answer
    x = 88,595.56

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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.