Home / 134,816.80-202,268.40-90,493.60

Finding the Fourth Proportional to 134,816.80, 202,268.40 and 90,493.60

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Solution

The fourth proportional to 134,816.80, 202,268.40 and 90,493.60 is: 135,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,816.80 : 202,268.40 = 90,493.60 : x
  2. Step 2: Convert to fraction form
    134,816.80/202,268.40 = 90,493.60/x
  3. Step 3: Cross multiply
    134,816.80x = 202,268.40 × 90,493.60
  4. Step 4: Simplify right side
    134,816.80x = 18,303,995,682.24
  5. Step 5: Solve for x
    x = 18,303,995,682.24/134,816.80
  6. Step 6: Final answer
    x = 135,769.40

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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.