Home / 75,257.08-112,896.56-40,177.60

Finding the Fourth Proportional to 75,257.08, 112,896.56 and 40,177.60

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Solution

The fourth proportional to 75,257.08, 112,896.56 and 40,177.60 is: 60,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,257.08 : 112,896.56 = 40,177.60 : x
  2. Step 2: Convert to fraction form
    75,257.08/112,896.56 = 40,177.60/x
  3. Step 3: Cross multiply
    75,257.08x = 112,896.56 × 40,177.60
  4. Step 4: Simplify right side
    75,257.08x = 4,535,912,829.06
  5. Step 5: Solve for x
    x = 4,535,912,829.06/75,257.08
  6. Step 6: Final answer
    x = 60,272.24

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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.