Home / 131,344.09-196,926.15-47,102.45

Finding the Fourth Proportional to 131,344.09, 196,926.15 and 47,102.45

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Solution

The fourth proportional to 131,344.09, 196,926.15 and 47,102.45 is: 70,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,344.09 : 196,926.15 = 47,102.45 : x
  2. Step 2: Convert to fraction form
    131,344.09/196,926.15 = 47,102.45/x
  3. Step 3: Cross multiply
    131,344.09x = 196,926.15 × 47,102.45
  4. Step 4: Simplify right side
    131,344.09x = 9,275,704,626.38
  5. Step 5: Solve for x
    x = 9,275,704,626.38/131,344.09
  6. Step 6: Final answer
    x = 70,621.41

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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.