Home / 132,945.76-183,467.64-72,518.56

Finding the Fourth Proportional to 132,945.76, 183,467.64 and 72,518.56

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Solution

The fourth proportional to 132,945.76, 183,467.64 and 72,518.56 is: 100,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,945.76 : 183,467.64 = 72,518.56 : x
  2. Step 2: Convert to fraction form
    132,945.76/183,467.64 = 72,518.56/x
  3. Step 3: Cross multiply
    132,945.76x = 183,467.64 × 72,518.56
  4. Step 4: Simplify right side
    132,945.76x = 13,304,808,600.73
  5. Step 5: Solve for x
    x = 13,304,808,600.73/132,945.76
  6. Step 6: Final answer
    x = 100,076.97

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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.