Home / 134,831.56-202,247.32-126,520.96

Finding the Fourth Proportional to 134,831.56, 202,247.32 and 126,520.96

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Solution

The fourth proportional to 134,831.56, 202,247.32 and 126,520.96 is: 189,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,831.56 : 202,247.32 = 126,520.96 : x
  2. Step 2: Convert to fraction form
    134,831.56/202,247.32 = 126,520.96/x
  3. Step 3: Cross multiply
    134,831.56x = 202,247.32 × 126,520.96
  4. Step 4: Simplify right side
    134,831.56x = 25,588,525,083.83
  5. Step 5: Solve for x
    x = 25,588,525,083.83/134,831.56
  6. Step 6: Final answer
    x = 189,781.42

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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.