Home / 131,264.82-197,002.35-68,103.06

Finding the Fourth Proportional to 131,264.82, 197,002.35 and 68,103.06

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Solution

The fourth proportional to 131,264.82, 197,002.35 and 68,103.06 is: 102,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,264.82 : 197,002.35 = 68,103.06 : x
  2. Step 2: Convert to fraction form
    131,264.82/197,002.35 = 68,103.06/x
  3. Step 3: Cross multiply
    131,264.82x = 197,002.35 × 68,103.06
  4. Step 4: Simplify right side
    131,264.82x = 13,416,462,862.19
  5. Step 5: Solve for x
    x = 13,416,462,862.19/131,264.82
  6. Step 6: Final answer
    x = 102,209.13

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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.