Home / 131,031.91-196,645.50-97,375.47

Finding the Fourth Proportional to 131,031.91, 196,645.50 and 97,375.47

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Solution

The fourth proportional to 131,031.91, 196,645.50 and 97,375.47 is: 146,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,031.91 : 196,645.50 = 97,375.47 : x
  2. Step 2: Convert to fraction form
    131,031.91/196,645.50 = 97,375.47/x
  3. Step 3: Cross multiply
    131,031.91x = 196,645.50 × 97,375.47
  4. Step 4: Simplify right side
    131,031.91x = 19,148,447,002.66
  5. Step 5: Solve for x
    x = 19,148,447,002.66/131,031.91
  6. Step 6: Final answer
    x = 146,135.75

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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.