Home / 134,637.45-202,120.20-68,043.30

Finding the Fourth Proportional to 134,637.45, 202,120.20 and 68,043.30

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Solution

The fourth proportional to 134,637.45, 202,120.20 and 68,043.30 is: 102,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,637.45 : 202,120.20 = 68,043.30 : x
  2. Step 2: Convert to fraction form
    134,637.45/202,120.20 = 68,043.30/x
  3. Step 3: Cross multiply
    134,637.45x = 202,120.20 × 68,043.30
  4. Step 4: Simplify right side
    134,637.45x = 13,752,925,404.66
  5. Step 5: Solve for x
    x = 13,752,925,404.66/134,637.45
  6. Step 6: Final answer
    x = 102,147.85

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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.