Home / 124,074.50-185,963.52-45,145.76

Finding the Fourth Proportional to 124,074.50, 185,963.52 and 45,145.76

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Solution

The fourth proportional to 124,074.50, 185,963.52 and 45,145.76 is: 67,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,074.50 : 185,963.52 = 45,145.76 : x
  2. Step 2: Convert to fraction form
    124,074.50/185,963.52 = 45,145.76/x
  3. Step 3: Cross multiply
    124,074.50x = 185,963.52 × 45,145.76
  4. Step 4: Simplify right side
    124,074.50x = 8,395,464,442.68
  5. Step 5: Solve for x
    x = 8,395,464,442.68/124,074.50
  6. Step 6: Final answer
    x = 67,664.71

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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.