Home / 134,786.98-186,003.71-74,363.41

Finding the Fourth Proportional to 134,786.98, 186,003.71 and 74,363.41

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Solution

The fourth proportional to 134,786.98, 186,003.71 and 74,363.41 is: 102,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,786.98 : 186,003.71 = 74,363.41 : x
  2. Step 2: Convert to fraction form
    134,786.98/186,003.71 = 74,363.41/x
  3. Step 3: Cross multiply
    134,786.98x = 186,003.71 × 74,363.41
  4. Step 4: Simplify right side
    134,786.98x = 13,831,870,287.80
  5. Step 5: Solve for x
    x = 13,831,870,287.80/134,786.98
  6. Step 6: Final answer
    x = 102,620.22

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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.