Home / 151,988.54-227,987.43-52,147.32

Finding the Fourth Proportional to 151,988.54, 227,987.43 and 52,147.32

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Solution

The fourth proportional to 151,988.54, 227,987.43 and 52,147.32 is: 78,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,988.54 : 227,987.43 = 52,147.32 : x
  2. Step 2: Convert to fraction form
    151,988.54/227,987.43 = 52,147.32/x
  3. Step 3: Cross multiply
    151,988.54x = 227,987.43 × 52,147.32
  4. Step 4: Simplify right side
    151,988.54x = 11,888,933,468.19
  5. Step 5: Solve for x
    x = 11,888,933,468.19/151,988.54
  6. Step 6: Final answer
    x = 78,222.57

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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.