Home / 106,381.56-146,831.58-66,125.73

Finding the Fourth Proportional to 106,381.56, 146,831.58 and 66,125.73

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Solution

The fourth proportional to 106,381.56, 146,831.58 and 66,125.73 is: 91,269.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,381.56 : 146,831.58 = 66,125.73 : x
  2. Step 2: Convert to fraction form
    106,381.56/146,831.58 = 66,125.73/x
  3. Step 3: Cross multiply
    106,381.56x = 146,831.58 × 66,125.73
  4. Step 4: Simplify right side
    106,381.56x = 9,709,345,414.55
  5. Step 5: Solve for x
    x = 9,709,345,414.55/106,381.56
  6. Step 6: Final answer
    x = 91,269.06

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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.