Home / 151,831.46-227,885.40-80,813.72

Finding the Fourth Proportional to 151,831.46, 227,885.40 and 80,813.72

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Solution

The fourth proportional to 151,831.46, 227,885.40 and 80,813.72 is: 121,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,831.46 : 227,885.40 = 80,813.72 : x
  2. Step 2: Convert to fraction form
    151,831.46/227,885.40 = 80,813.72/x
  3. Step 3: Cross multiply
    151,831.46x = 227,885.40 × 80,813.72
  4. Step 4: Simplify right side
    151,831.46x = 18,416,266,907.69
  5. Step 5: Solve for x
    x = 18,416,266,907.69/151,831.46
  6. Step 6: Final answer
    x = 121,294.14

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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.