Home / 90,485.41-124,864.23-50,198.35

Finding the Fourth Proportional to 90,485.41, 124,864.23 and 50,198.35

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Solution

The fourth proportional to 90,485.41, 124,864.23 and 50,198.35 is: 69,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,485.41 : 124,864.23 = 50,198.35 : x
  2. Step 2: Convert to fraction form
    90,485.41/124,864.23 = 50,198.35/x
  3. Step 3: Cross multiply
    90,485.41x = 124,864.23 × 50,198.35
  4. Step 4: Simplify right side
    90,485.41x = 6,267,978,320.02
  5. Step 5: Solve for x
    x = 6,267,978,320.02/90,485.41
  6. Step 6: Final answer
    x = 69,270.60

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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.