Home / 126,888.21-175,092.88-75,890.82

Finding the Fourth Proportional to 126,888.21, 175,092.88 and 75,890.82

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Solution

The fourth proportional to 126,888.21, 175,092.88 and 75,890.82 is: 104,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,888.21 : 175,092.88 = 75,890.82 : x
  2. Step 2: Convert to fraction form
    126,888.21/175,092.88 = 75,890.82/x
  3. Step 3: Cross multiply
    126,888.21x = 175,092.88 × 75,890.82
  4. Step 4: Simplify right side
    126,888.21x = 13,287,942,239.36
  5. Step 5: Solve for x
    x = 13,287,942,239.36/126,888.21
  6. Step 6: Final answer
    x = 104,721.65

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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.