Home / 107,118.64-160,468.84-50,878.72

Finding the Fourth Proportional to 107,118.64, 160,468.84 and 50,878.72

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Solution

The fourth proportional to 107,118.64, 160,468.84 and 50,878.72 is: 76,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,118.64 : 160,468.84 = 50,878.72 : x
  2. Step 2: Convert to fraction form
    107,118.64/160,468.84 = 50,878.72/x
  3. Step 3: Cross multiply
    107,118.64x = 160,468.84 × 50,878.72
  4. Step 4: Simplify right side
    107,118.64x = 8,164,449,179.08
  5. Step 5: Solve for x
    x = 8,164,449,179.08/107,118.64
  6. Step 6: Final answer
    x = 76,218.75

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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.