Home / 259,962.28-389,943.42-93,750.28

Finding the Fourth Proportional to 259,962.28, 389,943.42 and 93,750.28

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Solution

The fourth proportional to 259,962.28, 389,943.42 and 93,750.28 is: 140,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,962.28 : 389,943.42 = 93,750.28 : x
  2. Step 2: Convert to fraction form
    259,962.28/389,943.42 = 93,750.28/x
  3. Step 3: Cross multiply
    259,962.28x = 389,943.42 × 93,750.28
  4. Step 4: Simplify right side
    259,962.28x = 36,557,304,809.16
  5. Step 5: Solve for x
    x = 36,557,304,809.16/259,962.28
  6. Step 6: Final answer
    x = 140,625.42

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.