Home / 131,439.48-197,175.60-51,467.12

Finding the Fourth Proportional to 131,439.48, 197,175.60 and 51,467.12

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Solution

The fourth proportional to 131,439.48, 197,175.60 and 51,467.12 is: 77,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,439.48 : 197,175.60 = 51,467.12 : x
  2. Step 2: Convert to fraction form
    131,439.48/197,175.60 = 51,467.12/x
  3. Step 3: Cross multiply
    131,439.48x = 197,175.60 × 51,467.12
  4. Step 4: Simplify right side
    131,439.48x = 10,148,059,280.39
  5. Step 5: Solve for x
    x = 10,148,059,280.39/131,439.48
  6. Step 6: Final answer
    x = 77,207.09

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1.5x scale

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.