Home / 132,865.06-199,307.32-53,980.78

Finding the Fourth Proportional to 132,865.06, 199,307.32 and 53,980.78

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Solution

The fourth proportional to 132,865.06, 199,307.32 and 53,980.78 is: 80,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,865.06 : 199,307.32 = 53,980.78 : x
  2. Step 2: Convert to fraction form
    132,865.06/199,307.32 = 53,980.78/x
  3. Step 3: Cross multiply
    132,865.06x = 199,307.32 × 53,980.78
  4. Step 4: Simplify right side
    132,865.06x = 10,758,764,593.31
  5. Step 5: Solve for x
    x = 10,758,764,593.31/132,865.06
  6. Step 6: Final answer
    x = 80,975.12

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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.