Home / 127,357.72-175,776.06-73,634.20

Finding the Fourth Proportional to 127,357.72, 175,776.06 and 73,634.20

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Solution

The fourth proportional to 127,357.72, 175,776.06 and 73,634.20 is: 101,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,357.72 : 175,776.06 = 73,634.20 : x
  2. Step 2: Convert to fraction form
    127,357.72/175,776.06 = 73,634.20/x
  3. Step 3: Cross multiply
    127,357.72x = 175,776.06 × 73,634.20
  4. Step 4: Simplify right side
    127,357.72x = 12,943,129,557.25
  5. Step 5: Solve for x
    x = 12,943,129,557.25/127,357.72
  6. Step 6: Final answer
    x = 101,628.15

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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.