Home / 145,514.88-200,787.84-91,829.52

Finding the Fourth Proportional to 145,514.88, 200,787.84 and 91,829.52

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Solution

The fourth proportional to 145,514.88, 200,787.84 and 91,829.52 is: 126,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,514.88 : 200,787.84 = 91,829.52 : x
  2. Step 2: Convert to fraction form
    145,514.88/200,787.84 = 91,829.52/x
  3. Step 3: Cross multiply
    145,514.88x = 200,787.84 × 91,829.52
  4. Step 4: Simplify right side
    145,514.88x = 18,438,250,969.04
  5. Step 5: Solve for x
    x = 18,438,250,969.04/145,514.88
  6. Step 6: Final answer
    x = 126,710.42

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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.