Home / 151,278.86-227,058.51-76,451.68

Finding the Fourth Proportional to 151,278.86, 227,058.51 and 76,451.68

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Solution

The fourth proportional to 151,278.86, 227,058.51 and 76,451.68 is: 114,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,278.86 : 227,058.51 = 76,451.68 : x
  2. Step 2: Convert to fraction form
    151,278.86/227,058.51 = 76,451.68/x
  3. Step 3: Cross multiply
    151,278.86x = 227,058.51 × 76,451.68
  4. Step 4: Simplify right side
    151,278.86x = 17,359,003,693.46
  5. Step 5: Solve for x
    x = 17,359,003,693.46/151,278.86
  6. Step 6: Final answer
    x = 114,748.38

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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.