Home / 127,134.82-175,511.37-89,576.74

Finding the Fourth Proportional to 127,134.82, 175,511.37 and 89,576.74

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Solution

The fourth proportional to 127,134.82, 175,511.37 and 89,576.74 is: 123,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,134.82 : 175,511.37 = 89,576.74 : x
  2. Step 2: Convert to fraction form
    127,134.82/175,511.37 = 89,576.74/x
  3. Step 3: Cross multiply
    127,134.82x = 175,511.37 × 89,576.74
  4. Step 4: Simplify right side
    127,134.82x = 15,721,736,357.53
  5. Step 5: Solve for x
    x = 15,721,736,357.53/127,134.82
  6. Step 6: Final answer
    x = 123,661.92

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1.5x scale

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.