Home / 263,390.03-363,479.19-142,531.30

Finding the Fourth Proportional to 263,390.03, 363,479.19 and 142,531.30

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Solution

The fourth proportional to 263,390.03, 363,479.19 and 142,531.30 is: 196,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,390.03 : 363,479.19 = 142,531.30 : x
  2. Step 2: Convert to fraction form
    263,390.03/363,479.19 = 142,531.30/x
  3. Step 3: Cross multiply
    263,390.03x = 363,479.19 × 142,531.30
  4. Step 4: Simplify right side
    263,390.03x = 51,807,161,473.65
  5. Step 5: Solve for x
    x = 51,807,161,473.65/263,390.03
  6. Step 6: Final answer
    x = 196,693.71

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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.