Home / 136,470.17-188,327.22-76,040.66

Finding the Fourth Proportional to 136,470.17, 188,327.22 and 76,040.66

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Solution

The fourth proportional to 136,470.17, 188,327.22 and 76,040.66 is: 104,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,470.17 : 188,327.22 = 76,040.66 : x
  2. Step 2: Convert to fraction form
    136,470.17/188,327.22 = 76,040.66/x
  3. Step 3: Cross multiply
    136,470.17x = 188,327.22 × 76,040.66
  4. Step 4: Simplify right side
    136,470.17x = 14,320,526,104.77
  5. Step 5: Solve for x
    x = 14,320,526,104.77/136,470.17
  6. Step 6: Final answer
    x = 104,935.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.