Home / 131,884.14-197,806.05-43,138.38

Finding the Fourth Proportional to 131,884.14, 197,806.05 and 43,138.38

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Solution

The fourth proportional to 131,884.14, 197,806.05 and 43,138.38 is: 64,700.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,884.14 : 197,806.05 = 43,138.38 : x
  2. Step 2: Convert to fraction form
    131,884.14/197,806.05 = 43,138.38/x
  3. Step 3: Cross multiply
    131,884.14x = 197,806.05 × 43,138.38
  4. Step 4: Simplify right side
    131,884.14x = 8,533,032,551.20
  5. Step 5: Solve for x
    x = 8,533,032,551.20/131,884.14
  6. Step 6: Final answer
    x = 64,700.98

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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.