Home / 263,392.42-363,478.77-142,531.06

Finding the Fourth Proportional to 263,392.42, 363,478.77 and 142,531.06

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Solution

The fourth proportional to 263,392.42, 363,478.77 and 142,531.06 is: 196,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,392.42 : 363,478.77 = 142,531.06 : x
  2. Step 2: Convert to fraction form
    263,392.42/363,478.77 = 142,531.06/x
  3. Step 3: Cross multiply
    263,392.42x = 363,478.77 × 142,531.06
  4. Step 4: Simplify right side
    263,392.42x = 51,807,014,375.60
  5. Step 5: Solve for x
    x = 51,807,014,375.60/263,392.42
  6. Step 6: Final answer
    x = 196,691.36

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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.