Home / 158,866.11-238,399.61-88,791.39

Finding the Fourth Proportional to 158,866.11, 238,399.61 and 88,791.39

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Solution

The fourth proportional to 158,866.11, 238,399.61 and 88,791.39 is: 133,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,866.11 : 238,399.61 = 88,791.39 : x
  2. Step 2: Convert to fraction form
    158,866.11/238,399.61 = 88,791.39/x
  3. Step 3: Cross multiply
    158,866.11x = 238,399.61 × 88,791.39
  4. Step 4: Simplify right side
    158,866.11x = 21,167,832,303.40
  5. Step 5: Solve for x
    x = 21,167,832,303.40/158,866.11
  6. Step 6: Final answer
    x = 133,243.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.