Home / 254,754.28-382,135.08-96,991.40

Finding the Fourth Proportional to 254,754.28, 382,135.08 and 96,991.40

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Solution

The fourth proportional to 254,754.28, 382,135.08 and 96,991.40 is: 145,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,754.28 : 382,135.08 = 96,991.40 : x
  2. Step 2: Convert to fraction form
    254,754.28/382,135.08 = 96,991.40/x
  3. Step 3: Cross multiply
    254,754.28x = 382,135.08 × 96,991.40
  4. Step 4: Simplify right side
    254,754.28x = 37,063,816,398.31
  5. Step 5: Solve for x
    x = 37,063,816,398.31/254,754.28
  6. Step 6: Final answer
    x = 145,488.49

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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.