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Finding the Fourth Proportional to 171,313.71, 236,410.06 and 94,831.19

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Solution

The fourth proportional to 171,313.71, 236,410.06 and 94,831.19 is: 130,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,313.71 : 236,410.06 = 94,831.19 : x
  2. Step 2: Convert to fraction form
    171,313.71/236,410.06 = 94,831.19/x
  3. Step 3: Cross multiply
    171,313.71x = 236,410.06 × 94,831.19
  4. Step 4: Simplify right side
    171,313.71x = 22,419,047,554.85
  5. Step 5: Solve for x
    x = 22,419,047,554.85/171,313.71
  6. Step 6: Final answer
    x = 130,865.46

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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.