Home / 90,484.30-124,868.49-50,198.07

Finding the Fourth Proportional to 90,484.30, 124,868.49 and 50,198.07

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Solution

The fourth proportional to 90,484.30, 124,868.49 and 50,198.07 is: 69,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,484.30 : 124,868.49 = 50,198.07 : x
  2. Step 2: Convert to fraction form
    90,484.30/124,868.49 = 50,198.07/x
  3. Step 3: Cross multiply
    90,484.30x = 124,868.49 × 50,198.07
  4. Step 4: Simplify right side
    90,484.30x = 6,268,157,201.81
  5. Step 5: Solve for x
    x = 6,268,157,201.81/90,484.30
  6. Step 6: Final answer
    x = 69,273.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.