Home / 299,127.24-448,986.45-130,763.78

Finding the Fourth Proportional to 299,127.24, 448,986.45 and 130,763.78

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Solution

The fourth proportional to 299,127.24, 448,986.45 and 130,763.78 is: 196,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,127.24 : 448,986.45 = 130,763.78 : x
  2. Step 2: Convert to fraction form
    299,127.24/448,986.45 = 130,763.78/x
  3. Step 3: Cross multiply
    299,127.24x = 448,986.45 × 130,763.78
  4. Step 4: Simplify right side
    299,127.24x = 58,711,165,370.78
  5. Step 5: Solve for x
    x = 58,711,165,370.78/299,127.24
  6. Step 6: Final answer
    x = 196,274.89

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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.