Home / 148,190.52-222,266.52-87,435.66

Finding the Fourth Proportional to 148,190.52, 222,266.52 and 87,435.66

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Solution

The fourth proportional to 148,190.52, 222,266.52 and 87,435.66 is: 131,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,190.52 : 222,266.52 = 87,435.66 : x
  2. Step 2: Convert to fraction form
    148,190.52/222,266.52 = 87,435.66/x
  3. Step 3: Cross multiply
    148,190.52x = 222,266.52 × 87,435.66
  4. Step 4: Simplify right side
    148,190.52x = 19,434,019,872.10
  5. Step 5: Solve for x
    x = 19,434,019,872.10/148,190.52
  6. Step 6: Final answer
    x = 131,142.13

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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.