Home / 199,531.60-299,297.40-164,102.20

Finding the Fourth Proportional to 199,531.60, 299,297.40 and 164,102.20

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Solution

The fourth proportional to 199,531.60, 299,297.40 and 164,102.20 is: 246,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,531.60 : 299,297.40 = 164,102.20 : x
  2. Step 2: Convert to fraction form
    199,531.60/299,297.40 = 164,102.20/x
  3. Step 3: Cross multiply
    199,531.60x = 299,297.40 × 164,102.20
  4. Step 4: Simplify right side
    199,531.60x = 49,115,361,794.28
  5. Step 5: Solve for x
    x = 49,115,361,794.28/199,531.60
  6. Step 6: Final answer
    x = 246,153.30

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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.