Home / 263,710.17-363,921.77-142,851.45

Finding the Fourth Proportional to 263,710.17, 363,921.77 and 142,851.45

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Solution

The fourth proportional to 263,710.17, 363,921.77 and 142,851.45 is: 197,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,710.17 : 363,921.77 = 142,851.45 : x
  2. Step 2: Convert to fraction form
    263,710.17/363,921.77 = 142,851.45/x
  3. Step 3: Cross multiply
    263,710.17x = 363,921.77 × 142,851.45
  4. Step 4: Simplify right side
    263,710.17x = 51,986,752,531.07
  5. Step 5: Solve for x
    x = 51,986,752,531.07/263,710.17
  6. Step 6: Final answer
    x = 197,135.94

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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.