Home / 196,862.40-271,670.04-107,438.40

Finding the Fourth Proportional to 196,862.40, 271,670.04 and 107,438.40

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Solution

The fourth proportional to 196,862.40, 271,670.04 and 107,438.40 is: 148,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,862.40 : 271,670.04 = 107,438.40 : x
  2. Step 2: Convert to fraction form
    196,862.40/271,670.04 = 107,438.40/x
  3. Step 3: Cross multiply
    196,862.40x = 271,670.04 × 107,438.40
  4. Step 4: Simplify right side
    196,862.40x = 29,187,794,425.54
  5. Step 5: Solve for x
    x = 29,187,794,425.54/196,862.40
  6. Step 6: Final answer
    x = 148,264.95

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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.