Home / 135,350.53-186,659.61-116,223.79

Finding the Fourth Proportional to 135,350.53, 186,659.61 and 116,223.79

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Solution

The fourth proportional to 135,350.53, 186,659.61 and 116,223.79 is: 160,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,350.53 : 186,659.61 = 116,223.79 : x
  2. Step 2: Convert to fraction form
    135,350.53/186,659.61 = 116,223.79/x
  3. Step 3: Cross multiply
    135,350.53x = 186,659.61 × 116,223.79
  4. Step 4: Simplify right side
    135,350.53x = 21,694,287,314.12
  5. Step 5: Solve for x
    x = 21,694,287,314.12/135,350.53
  6. Step 6: Final answer
    x = 160,282.25

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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.