Home / 151,816.25-207,987.29-146,138.93

Finding the Fourth Proportional to 151,816.25, 207,987.29 and 146,138.93

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Solution

The fourth proportional to 151,816.25, 207,987.29 and 146,138.93 is: 200,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,816.25 : 207,987.29 = 146,138.93 : x
  2. Step 2: Convert to fraction form
    151,816.25/207,987.29 = 146,138.93/x
  3. Step 3: Cross multiply
    151,816.25x = 207,987.29 × 146,138.93
  4. Step 4: Simplify right side
    151,816.25x = 30,395,038,243.57
  5. Step 5: Solve for x
    x = 30,395,038,243.57/151,816.25
  6. Step 6: Final answer
    x = 200,209.39

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.