Home / 131,736.36-197,605.05-31,896.40

Finding the Fourth Proportional to 131,736.36, 197,605.05 and 31,896.40

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Solution

The fourth proportional to 131,736.36, 197,605.05 and 31,896.40 is: 47,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736.36 : 197,605.05 = 31,896.40 : x
  2. Step 2: Convert to fraction form
    131,736.36/197,605.05 = 31,896.40/x
  3. Step 3: Cross multiply
    131,736.36x = 197,605.05 × 31,896.40
  4. Step 4: Simplify right side
    131,736.36x = 6,302,889,716.82
  5. Step 5: Solve for x
    x = 6,302,889,716.82/131,736.36
  6. Step 6: Final answer
    x = 47,844.72

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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.