Home / 134,919.09-202,378.32-54,990.32

Finding the Fourth Proportional to 134,919.09, 202,378.32 and 54,990.32

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Solution

The fourth proportional to 134,919.09, 202,378.32 and 54,990.32 is: 82,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,919.09 : 202,378.32 = 54,990.32 : x
  2. Step 2: Convert to fraction form
    134,919.09/202,378.32 = 54,990.32/x
  3. Step 3: Cross multiply
    134,919.09x = 202,378.32 × 54,990.32
  4. Step 4: Simplify right side
    134,919.09x = 11,128,847,565.97
  5. Step 5: Solve for x
    x = 11,128,847,565.97/134,919.09
  6. Step 6: Final answer
    x = 82,485.34

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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.