Home / 134,796.80-202,238.40-90,473.60

Finding the Fourth Proportional to 134,796.80, 202,238.40 and 90,473.60

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Solution

The fourth proportional to 134,796.80, 202,238.40 and 90,473.60 is: 135,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,796.80 : 202,238.40 = 90,473.60 : x
  2. Step 2: Convert to fraction form
    134,796.80/202,238.40 = 90,473.60/x
  3. Step 3: Cross multiply
    134,796.80x = 202,238.40 × 90,473.60
  4. Step 4: Simplify right side
    134,796.80x = 18,297,236,106.24
  5. Step 5: Solve for x
    x = 18,297,236,106.24/134,796.80
  6. Step 6: Final answer
    x = 135,739.40

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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.