Home / 263,669.76-363,864.60-142,811.28

Finding the Fourth Proportional to 263,669.76, 363,864.60 and 142,811.28

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Solution

The fourth proportional to 263,669.76, 363,864.60 and 142,811.28 is: 197,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,669.76 : 363,864.60 = 142,811.28 : x
  2. Step 2: Convert to fraction form
    263,669.76/363,864.60 = 142,811.28/x
  3. Step 3: Cross multiply
    263,669.76x = 363,864.60 × 142,811.28
  4. Step 4: Simplify right side
    263,669.76x = 51,963,969,272.69
  5. Step 5: Solve for x
    x = 51,963,969,272.69/263,669.76
  6. Step 6: Final answer
    x = 197,079.75

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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.