Home / 158,922.34-238,379.82-80,015.38

Finding the Fourth Proportional to 158,922.34, 238,379.82 and 80,015.38

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Solution

The fourth proportional to 158,922.34, 238,379.82 and 80,015.38 is: 120,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,922.34 : 238,379.82 = 80,015.38 : x
  2. Step 2: Convert to fraction form
    158,922.34/238,379.82 = 80,015.38/x
  3. Step 3: Cross multiply
    158,922.34x = 238,379.82 × 80,015.38
  4. Step 4: Simplify right side
    158,922.34x = 19,074,051,881.63
  5. Step 5: Solve for x
    x = 19,074,051,881.63/158,922.34
  6. Step 6: Final answer
    x = 120,021.21

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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.