Home / 151,782.32-227,640.88-45,140.60

Finding the Fourth Proportional to 151,782.32, 227,640.88 and 45,140.60

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Solution

The fourth proportional to 151,782.32, 227,640.88 and 45,140.60 is: 67,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,782.32 : 227,640.88 = 45,140.60 : x
  2. Step 2: Convert to fraction form
    151,782.32/227,640.88 = 45,140.60/x
  3. Step 3: Cross multiply
    151,782.32x = 227,640.88 × 45,140.60
  4. Step 4: Simplify right side
    151,782.32x = 10,275,845,907.73
  5. Step 5: Solve for x
    x = 10,275,845,907.73/151,782.32
  6. Step 6: Final answer
    x = 67,701.20

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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.