Home / 268,941.18-371,147.67-148,091.34

Finding the Fourth Proportional to 268,941.18, 371,147.67 and 148,091.34

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Solution

The fourth proportional to 268,941.18, 371,147.67 and 148,091.34 is: 204,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,941.18 : 371,147.67 = 148,091.34 : x
  2. Step 2: Convert to fraction form
    268,941.18/371,147.67 = 148,091.34/x
  3. Step 3: Cross multiply
    268,941.18x = 371,147.67 × 148,091.34
  4. Step 4: Simplify right side
    268,941.18x = 54,963,755,788.18
  5. Step 5: Solve for x
    x = 54,963,755,788.18/268,941.18
  6. Step 6: Final answer
    x = 204,370.92

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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.