Home / 204,272.60-306,044.40-98,859.20

Finding the Fourth Proportional to 204,272.60, 306,044.40 and 98,859.20

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Solution

The fourth proportional to 204,272.60, 306,044.40 and 98,859.20 is: 148,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,272.60 : 306,044.40 = 98,859.20 : x
  2. Step 2: Convert to fraction form
    204,272.60/306,044.40 = 98,859.20/x
  3. Step 3: Cross multiply
    204,272.60x = 306,044.40 × 98,859.20
  4. Step 4: Simplify right side
    204,272.60x = 30,255,304,548.48
  5. Step 5: Solve for x
    x = 30,255,304,548.48/204,272.60
  6. Step 6: Final answer
    x = 148,112.40

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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.