Home / 90,720.03-125,197.25-49,887.51

Finding the Fourth Proportional to 90,720.03, 125,197.25 and 49,887.51

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Solution

The fourth proportional to 90,720.03, 125,197.25 and 49,887.51 is: 68,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,720.03 : 125,197.25 = 49,887.51 : x
  2. Step 2: Convert to fraction form
    90,720.03/125,197.25 = 49,887.51/x
  3. Step 3: Cross multiply
    90,720.03x = 125,197.25 × 49,887.51
  4. Step 4: Simplify right side
    90,720.03x = 6,245,778,185.92
  5. Step 5: Solve for x
    x = 6,245,778,185.92/90,720.03
  6. Step 6: Final answer
    x = 68,846.74

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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.