Home / 151,830.45-227,883.90-80,812.74

Finding the Fourth Proportional to 151,830.45, 227,883.90 and 80,812.74

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Solution

The fourth proportional to 151,830.45, 227,883.90 and 80,812.74 is: 121,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,830.45 : 227,883.90 = 80,812.74 : x
  2. Step 2: Convert to fraction form
    151,830.45/227,883.90 = 80,812.74/x
  3. Step 3: Cross multiply
    151,830.45x = 227,883.90 × 80,812.74
  4. Step 4: Simplify right side
    151,830.45x = 18,415,922,360.89
  5. Step 5: Solve for x
    x = 18,415,922,360.89/151,830.45
  6. Step 6: Final answer
    x = 121,292.68

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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.