Home / 159,258.90-219,771.08-91,227.48

Finding the Fourth Proportional to 159,258.90, 219,771.08 and 91,227.48

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Solution

The fourth proportional to 159,258.90, 219,771.08 and 91,227.48 is: 125,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,258.90 : 219,771.08 = 91,227.48 : x
  2. Step 2: Convert to fraction form
    159,258.90/219,771.08 = 91,227.48/x
  3. Step 3: Cross multiply
    159,258.90x = 219,771.08 × 91,227.48
  4. Step 4: Simplify right side
    159,258.90x = 20,049,160,706.42
  5. Step 5: Solve for x
    x = 20,049,160,706.42/159,258.90
  6. Step 6: Final answer
    x = 125,890.37

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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.