Home / 135,012.20-202,518.30-133,043.90

Finding the Fourth Proportional to 135,012.20, 202,518.30 and 133,043.90

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Solution

The fourth proportional to 135,012.20, 202,518.30 and 133,043.90 is: 199,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,012.20 : 202,518.30 = 133,043.90 : x
  2. Step 2: Convert to fraction form
    135,012.20/202,518.30 = 133,043.90/x
  3. Step 3: Cross multiply
    135,012.20x = 202,518.30 × 133,043.90
  4. Step 4: Simplify right side
    135,012.20x = 26,943,824,453.37
  5. Step 5: Solve for x
    x = 26,943,824,453.37/135,012.20
  6. Step 6: Final answer
    x = 199,565.85

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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.