Home / 131,769.84-197,406.75-65,131.95

Finding the Fourth Proportional to 131,769.84, 197,406.75 and 65,131.95

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Solution

The fourth proportional to 131,769.84, 197,406.75 and 65,131.95 is: 97,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,769.84 : 197,406.75 = 65,131.95 : x
  2. Step 2: Convert to fraction form
    131,769.84/197,406.75 = 65,131.95/x
  3. Step 3: Cross multiply
    131,769.84x = 197,406.75 × 65,131.95
  4. Step 4: Simplify right side
    131,769.84x = 12,857,486,570.66
  5. Step 5: Solve for x
    x = 12,857,486,570.66/131,769.84
  6. Step 6: Final answer
    x = 97,575.34

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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.