Home / 156,464.61-234,715.25-49,811.21

Finding the Fourth Proportional to 156,464.61, 234,715.25 and 49,811.21

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Solution

The fourth proportional to 156,464.61, 234,715.25 and 49,811.21 is: 74,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,464.61 : 234,715.25 = 49,811.21 : x
  2. Step 2: Convert to fraction form
    156,464.61/234,715.25 = 49,811.21/x
  3. Step 3: Cross multiply
    156,464.61x = 234,715.25 × 49,811.21
  4. Step 4: Simplify right side
    156,464.61x = 11,691,449,185.32
  5. Step 5: Solve for x
    x = 11,691,449,185.32/156,464.61
  6. Step 6: Final answer
    x = 74,722.64

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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.