Home / 263,530.12-363,669.02-142,668.30

Finding the Fourth Proportional to 263,530.12, 363,669.02 and 142,668.30

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Solution

The fourth proportional to 263,530.12, 363,669.02 and 142,668.30 is: 196,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,530.12 : 363,669.02 = 142,668.30 : x
  2. Step 2: Convert to fraction form
    263,530.12/363,669.02 = 142,668.30/x
  3. Step 3: Cross multiply
    263,530.12x = 363,669.02 × 142,668.30
  4. Step 4: Simplify right side
    263,530.12x = 51,884,040,846.07
  5. Step 5: Solve for x
    x = 51,884,040,846.07/263,530.12
  6. Step 6: Final answer
    x = 196,880.88

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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.