Home / 127,340.51-175,722.41-73,621.71

Finding the Fourth Proportional to 127,340.51, 175,722.41 and 73,621.71

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Solution

The fourth proportional to 127,340.51, 175,722.41 and 73,621.71 is: 101,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,340.51 : 175,722.41 = 73,621.71 : x
  2. Step 2: Convert to fraction form
    127,340.51/175,722.41 = 73,621.71/x
  3. Step 3: Cross multiply
    127,340.51x = 175,722.41 × 73,621.71
  4. Step 4: Simplify right side
    127,340.51x = 12,936,984,493.58
  5. Step 5: Solve for x
    x = 12,936,984,493.58/127,340.51
  6. Step 6: Final answer
    x = 101,593.63

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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.