Home / 127,620.87-175,927.98-81,675.41

Finding the Fourth Proportional to 127,620.87, 175,927.98 and 81,675.41

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Solution

The fourth proportional to 127,620.87, 175,927.98 and 81,675.41 is: 112,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,620.87 : 175,927.98 = 81,675.41 : x
  2. Step 2: Convert to fraction form
    127,620.87/175,927.98 = 81,675.41/x
  3. Step 3: Cross multiply
    127,620.87x = 175,927.98 × 81,675.41
  4. Step 4: Simplify right side
    127,620.87x = 14,368,990,118.87
  5. Step 5: Solve for x
    x = 14,368,990,118.87/127,620.87
  6. Step 6: Final answer
    x = 112,591.23

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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.