Home / 135,031.32-202,674.10-68,519.20

Finding the Fourth Proportional to 135,031.32, 202,674.10 and 68,519.20

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Solution

The fourth proportional to 135,031.32, 202,674.10 and 68,519.20 is: 102,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,031.32 : 202,674.10 = 68,519.20 : x
  2. Step 2: Convert to fraction form
    135,031.32/202,674.10 = 68,519.20/x
  3. Step 3: Cross multiply
    135,031.32x = 202,674.10 × 68,519.20
  4. Step 4: Simplify right side
    135,031.32x = 13,887,067,192.72
  5. Step 5: Solve for x
    x = 13,887,067,192.72/135,031.32
  6. Step 6: Final answer
    x = 102,843.30

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1.5x scale

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.