Home / 132,754.82-183,022.47-128,627.06

Finding the Fourth Proportional to 132,754.82, 183,022.47 and 128,627.06

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Solution

The fourth proportional to 132,754.82, 183,022.47 and 128,627.06 is: 177,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,754.82 : 183,022.47 = 128,627.06 : x
  2. Step 2: Convert to fraction form
    132,754.82/183,022.47 = 128,627.06/x
  3. Step 3: Cross multiply
    132,754.82x = 183,022.47 × 128,627.06
  4. Step 4: Simplify right side
    132,754.82x = 23,541,641,314.93
  5. Step 5: Solve for x
    x = 23,541,641,314.93/132,754.82
  6. Step 6: Final answer
    x = 177,331.73

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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.