Home / 135,334.83-186,759.27-74,901.87

Finding the Fourth Proportional to 135,334.83, 186,759.27 and 74,901.87

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Solution

The fourth proportional to 135,334.83, 186,759.27 and 74,901.87 is: 103,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,334.83 : 186,759.27 = 74,901.87 : x
  2. Step 2: Convert to fraction form
    135,334.83/186,759.27 = 74,901.87/x
  3. Step 3: Cross multiply
    135,334.83x = 186,759.27 × 74,901.87
  4. Step 4: Simplify right side
    135,334.83x = 13,988,618,616.20
  5. Step 5: Solve for x
    x = 13,988,618,616.20/135,334.83
  6. Step 6: Final answer
    x = 103,363.03

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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.