Home / 134,958.75-202,560.97-71,831.87

Finding the Fourth Proportional to 134,958.75, 202,560.97 and 71,831.87

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Solution

The fourth proportional to 134,958.75, 202,560.97 and 71,831.87 is: 107,813.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,958.75 : 202,560.97 = 71,831.87 : x
  2. Step 2: Convert to fraction form
    134,958.75/202,560.97 = 71,831.87/x
  3. Step 3: Cross multiply
    134,958.75x = 202,560.97 × 71,831.87
  4. Step 4: Simplify right side
    134,958.75x = 14,550,333,264.11
  5. Step 5: Solve for x
    x = 14,550,333,264.11/134,958.75
  6. Step 6: Final answer
    x = 107,813.19

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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.