Home / 124,017.92-186,076.56-45,137.60

Finding the Fourth Proportional to 124,017.92, 186,076.56 and 45,137.60

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Solution

The fourth proportional to 124,017.92, 186,076.56 and 45,137.60 is: 67,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,017.92 : 186,076.56 = 45,137.60 : x
  2. Step 2: Convert to fraction form
    124,017.92/186,076.56 = 45,137.60/x
  3. Step 3: Cross multiply
    124,017.92x = 186,076.56 × 45,137.60
  4. Step 4: Simplify right side
    124,017.92x = 8,399,049,334.66
  5. Step 5: Solve for x
    x = 8,399,049,334.66/124,017.92
  6. Step 6: Final answer
    x = 67,724.48

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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.