Home / 203,958.02-305,831.98-91,541.87

Finding the Fourth Proportional to 203,958.02, 305,831.98 and 91,541.87

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Solution

The fourth proportional to 203,958.02, 305,831.98 and 91,541.87 is: 137,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,958.02 : 305,831.98 = 91,541.87 : x
  2. Step 2: Convert to fraction form
    203,958.02/305,831.98 = 91,541.87/x
  3. Step 3: Cross multiply
    203,958.02x = 305,831.98 × 91,541.87
  4. Step 4: Simplify right side
    203,958.02x = 27,996,431,355.00
  5. Step 5: Solve for x
    x = 27,996,431,355.00/203,958.02
  6. Step 6: Final answer
    x = 137,265.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.