Home / 135,351.59-186,786.83-74,927.81

Finding the Fourth Proportional to 135,351.59, 186,786.83 and 74,927.81

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Solution

The fourth proportional to 135,351.59, 186,786.83 and 74,927.81 is: 103,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,351.59 : 186,786.83 = 74,927.81 : x
  2. Step 2: Convert to fraction form
    135,351.59/186,786.83 = 74,927.81/x
  3. Step 3: Cross multiply
    135,351.59x = 186,786.83 × 74,927.81
  4. Step 4: Simplify right side
    135,351.59x = 13,995,528,763.03
  5. Step 5: Solve for x
    x = 13,995,528,763.03/135,351.59
  6. Step 6: Final answer
    x = 103,401.29

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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.