Home / 131,338.33-197,007.64-36,568.72

Finding the Fourth Proportional to 131,338.33, 197,007.64 and 36,568.72

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Solution

The fourth proportional to 131,338.33, 197,007.64 and 36,568.72 is: 54,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,338.33 : 197,007.64 = 36,568.72 : x
  2. Step 2: Convert to fraction form
    131,338.33/197,007.64 = 36,568.72/x
  3. Step 3: Cross multiply
    131,338.33x = 197,007.64 × 36,568.72
  4. Step 4: Simplify right side
    131,338.33x = 7,204,317,225.02
  5. Step 5: Solve for x
    x = 7,204,317,225.02/131,338.33
  6. Step 6: Final answer
    x = 54,853.12

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1.5x scale

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.