Home / 151,831.61-227,885.58-80,813.85

Finding the Fourth Proportional to 151,831.61, 227,885.58 and 80,813.85

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Solution

The fourth proportional to 151,831.61, 227,885.58 and 80,813.85 is: 121,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,831.61 : 227,885.58 = 80,813.85 : x
  2. Step 2: Convert to fraction form
    151,831.61/227,885.58 = 80,813.85/x
  3. Step 3: Cross multiply
    151,831.61x = 227,885.58 × 80,813.85
  4. Step 4: Simplify right side
    151,831.61x = 18,416,309,939.86
  5. Step 5: Solve for x
    x = 18,416,309,939.86/151,831.61
  6. Step 6: Final answer
    x = 121,294.31

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1.5x scale

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.