Home / 151,373.21-227,231.93-76,577.81

Finding the Fourth Proportional to 151,373.21, 227,231.93 and 76,577.81

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Solution

The fourth proportional to 151,373.21, 227,231.93 and 76,577.81 is: 114,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,373.21 : 227,231.93 = 76,577.81 : x
  2. Step 2: Convert to fraction form
    151,373.21/227,231.93 = 76,577.81/x
  3. Step 3: Cross multiply
    151,373.21x = 227,231.93 × 76,577.81
  4. Step 4: Simplify right side
    151,373.21x = 17,400,922,616.76
  5. Step 5: Solve for x
    x = 17,400,922,616.76/151,373.21
  6. Step 6: Final answer
    x = 114,953.78

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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.