Home / 263,587.64-363,753.96-142,731.68

Finding the Fourth Proportional to 263,587.64, 363,753.96 and 142,731.68

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Solution

The fourth proportional to 263,587.64, 363,753.96 and 142,731.68 is: 196,971.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,587.64 : 363,753.96 = 142,731.68 : x
  2. Step 2: Convert to fraction form
    263,587.64/363,753.96 = 142,731.68/x
  3. Step 3: Cross multiply
    263,587.64x = 363,753.96 × 142,731.68
  4. Step 4: Simplify right side
    263,587.64x = 51,919,213,817.45
  5. Step 5: Solve for x
    x = 51,919,213,817.45/263,587.64
  6. Step 6: Final answer
    x = 196,971.35

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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.