Home / 195,921.90-270,369.23-109,880.87

Finding the Fourth Proportional to 195,921.90, 270,369.23 and 109,880.87

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Solution

The fourth proportional to 195,921.90, 270,369.23 and 109,880.87 is: 151,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,921.90 : 270,369.23 = 109,880.87 : x
  2. Step 2: Convert to fraction form
    195,921.90/270,369.23 = 109,880.87/x
  3. Step 3: Cross multiply
    195,921.90x = 270,369.23 × 109,880.87
  4. Step 4: Simplify right side
    195,921.90x = 29,708,404,312.38
  5. Step 5: Solve for x
    x = 29,708,404,312.38/195,921.90
  6. Step 6: Final answer
    x = 151,633.91

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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.