Home / 90,458.38-124,840.26-50,185.12

Finding the Fourth Proportional to 90,458.38, 124,840.26 and 50,185.12

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Solution

The fourth proportional to 90,458.38, 124,840.26 and 50,185.12 is: 69,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,458.38 : 124,840.26 = 50,185.12 : x
  2. Step 2: Convert to fraction form
    90,458.38/124,840.26 = 50,185.12/x
  3. Step 3: Cross multiply
    90,458.38x = 124,840.26 × 50,185.12
  4. Step 4: Simplify right side
    90,458.38x = 6,265,123,428.93
  5. Step 5: Solve for x
    x = 6,265,123,428.93/90,458.38
  6. Step 6: Final answer
    x = 69,259.74

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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.