Home / 131,343.82-197,041.45-47,081.44

Finding the Fourth Proportional to 131,343.82, 197,041.45 and 47,081.44

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Solution

The fourth proportional to 131,343.82, 197,041.45 and 47,081.44 is: 70,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,343.82 : 197,041.45 = 47,081.44 : x
  2. Step 2: Convert to fraction form
    131,343.82/197,041.45 = 47,081.44/x
  3. Step 3: Cross multiply
    131,343.82x = 197,041.45 × 47,081.44
  4. Step 4: Simplify right side
    131,343.82x = 9,276,995,205.69
  5. Step 5: Solve for x
    x = 9,276,995,205.69/131,343.82
  6. Step 6: Final answer
    x = 70,631.38

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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.