Home / 157,939.88-217,831.64-119,306.61

Finding the Fourth Proportional to 157,939.88, 217,831.64 and 119,306.61

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Solution

The fourth proportional to 157,939.88, 217,831.64 and 119,306.61 is: 164,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,939.88 : 217,831.64 = 119,306.61 : x
  2. Step 2: Convert to fraction form
    157,939.88/217,831.64 = 119,306.61/x
  3. Step 3: Cross multiply
    157,939.88x = 217,831.64 × 119,306.61
  4. Step 4: Simplify right side
    157,939.88x = 25,988,753,922.61
  5. Step 5: Solve for x
    x = 25,988,753,922.61/157,939.88
  6. Step 6: Final answer
    x = 164,548.40

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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.