Home / 131,326.76-196,994.46-42,581

Finding the Fourth Proportional to 131,326.76, 196,994.46 and 42,581

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Solution

The fourth proportional to 131,326.76, 196,994.46 and 42,581 is: 63,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,326.76 : 196,994.46 = 42,581 : x
  2. Step 2: Convert to fraction form
    131,326.76/196,994.46 = 42,581/x
  3. Step 3: Cross multiply
    131,326.76x = 196,994.46 × 42,581
  4. Step 4: Simplify right side
    131,326.76x = 8,388,221,101.26
  5. Step 5: Solve for x
    x = 8,388,221,101.26/131,326.76
  6. Step 6: Final answer
    x = 63,872.90

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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.