Home / 151,987.80-227,960.10-52,152.60

Finding the Fourth Proportional to 151,987.80, 227,960.10 and 52,152.60

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Solution

The fourth proportional to 151,987.80, 227,960.10 and 52,152.60 is: 78,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,987.80 : 227,960.10 = 52,152.60 : x
  2. Step 2: Convert to fraction form
    151,987.80/227,960.10 = 52,152.60/x
  3. Step 3: Cross multiply
    151,987.80x = 227,960.10 × 52,152.60
  4. Step 4: Simplify right side
    151,987.80x = 11,888,711,911.26
  5. Step 5: Solve for x
    x = 11,888,711,911.26/151,987.80
  6. Step 6: Final answer
    x = 78,221.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.