Home / 138,466.13-206,612.37-130,002.44

Finding the Fourth Proportional to 138,466.13, 206,612.37 and 130,002.44

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Solution

The fourth proportional to 138,466.13, 206,612.37 and 130,002.44 is: 193,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,466.13 : 206,612.37 = 130,002.44 : x
  2. Step 2: Convert to fraction form
    138,466.13/206,612.37 = 130,002.44/x
  3. Step 3: Cross multiply
    138,466.13x = 206,612.37 × 130,002.44
  4. Step 4: Simplify right side
    138,466.13x = 26,860,111,201.12
  5. Step 5: Solve for x
    x = 26,860,111,201.12/138,466.13
  6. Step 6: Final answer
    x = 193,983.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.