Home / 158,434.25-218,667.96-101,091.38

Finding the Fourth Proportional to 158,434.25, 218,667.96 and 101,091.38

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Solution

The fourth proportional to 158,434.25, 218,667.96 and 101,091.38 is: 139,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,434.25 : 218,667.96 = 101,091.38 : x
  2. Step 2: Convert to fraction form
    158,434.25/218,667.96 = 101,091.38/x
  3. Step 3: Cross multiply
    158,434.25x = 218,667.96 × 101,091.38
  4. Step 4: Simplify right side
    158,434.25x = 22,105,444,744.85
  5. Step 5: Solve for x
    x = 22,105,444,744.85/158,434.25
  6. Step 6: Final answer
    x = 139,524.41

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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.