Home / 263,601.29-363,769.13-142,742.57

Finding the Fourth Proportional to 263,601.29, 363,769.13 and 142,742.57

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Solution

The fourth proportional to 263,601.29, 363,769.13 and 142,742.57 is: 196,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,601.29 : 363,769.13 = 142,742.57 : x
  2. Step 2: Convert to fraction form
    263,601.29/363,769.13 = 142,742.57/x
  3. Step 3: Cross multiply
    263,601.29x = 363,769.13 × 142,742.57
  4. Step 4: Simplify right side
    263,601.29x = 51,925,339,334.44
  5. Step 5: Solve for x
    x = 51,925,339,334.44/263,601.29
  6. Step 6: Final answer
    x = 196,984.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.