Home / 156,460.62-234,709.25-49,807.21

Finding the Fourth Proportional to 156,460.62, 234,709.25 and 49,807.21

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Solution

The fourth proportional to 156,460.62, 234,709.25 and 49,807.21 is: 74,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,460.62 : 234,709.25 = 49,807.21 : x
  2. Step 2: Convert to fraction form
    156,460.62/234,709.25 = 49,807.21/x
  3. Step 3: Cross multiply
    156,460.62x = 234,709.25 × 49,807.21
  4. Step 4: Simplify right side
    156,460.62x = 11,690,211,730.15
  5. Step 5: Solve for x
    x = 11,690,211,730.15/156,460.62
  6. Step 6: Final answer
    x = 74,716.64

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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.