Home / 198,426.42-273,831.80-107,782.56

Finding the Fourth Proportional to 198,426.42, 273,831.80 and 107,782.56

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Solution

The fourth proportional to 198,426.42, 273,831.80 and 107,782.56 is: 148,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,426.42 : 273,831.80 = 107,782.56 : x
  2. Step 2: Convert to fraction form
    198,426.42/273,831.80 = 107,782.56/x
  3. Step 3: Cross multiply
    198,426.42x = 273,831.80 × 107,782.56
  4. Step 4: Simplify right side
    198,426.42x = 29,514,291,874.50
  5. Step 5: Solve for x
    x = 29,514,291,874.50/198,426.42
  6. Step 6: Final answer
    x = 148,741.74

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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.