Home / 90,718.02-125,194.08-49,885.26

Finding the Fourth Proportional to 90,718.02, 125,194.08 and 49,885.26

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Solution

The fourth proportional to 90,718.02, 125,194.08 and 49,885.26 is: 68,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,718.02 : 125,194.08 = 49,885.26 : x
  2. Step 2: Convert to fraction form
    90,718.02/125,194.08 = 49,885.26/x
  3. Step 3: Cross multiply
    90,718.02x = 125,194.08 × 49,885.26
  4. Step 4: Simplify right side
    90,718.02x = 6,245,339,231.26
  5. Step 5: Solve for x
    x = 6,245,339,231.26/90,718.02
  6. Step 6: Final answer
    x = 68,843.43

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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.