Home / 91,146.02-125,781.36-50,857.34

Finding the Fourth Proportional to 91,146.02, 125,781.36 and 50,857.34

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Solution

The fourth proportional to 91,146.02, 125,781.36 and 50,857.34 is: 70,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,146.02 : 125,781.36 = 50,857.34 : x
  2. Step 2: Convert to fraction form
    91,146.02/125,781.36 = 50,857.34/x
  3. Step 3: Cross multiply
    91,146.02x = 125,781.36 × 50,857.34
  4. Step 4: Simplify right side
    91,146.02x = 6,396,905,391.18
  5. Step 5: Solve for x
    x = 6,396,905,391.18/91,146.02
  6. Step 6: Final answer
    x = 70,183.05

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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.