Home / 263,669.88-363,861.54-142,808.16

Finding the Fourth Proportional to 263,669.88, 363,861.54 and 142,808.16

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Solution

The fourth proportional to 263,669.88, 363,861.54 and 142,808.16 is: 197,073.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,669.88 : 363,861.54 = 142,808.16 : x
  2. Step 2: Convert to fraction form
    263,669.88/363,861.54 = 142,808.16/x
  3. Step 3: Cross multiply
    263,669.88x = 363,861.54 × 142,808.16
  4. Step 4: Simplify right side
    263,669.88x = 51,962,397,022.17
  5. Step 5: Solve for x
    x = 51,962,397,022.17/263,669.88
  6. Step 6: Final answer
    x = 197,073.69

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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.