Home / 131,439.98-197,176.35-51,467.62

Finding the Fourth Proportional to 131,439.98, 197,176.35 and 51,467.62

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Solution

The fourth proportional to 131,439.98, 197,176.35 and 51,467.62 is: 77,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,439.98 : 197,176.35 = 51,467.62 : x
  2. Step 2: Convert to fraction form
    131,439.98/197,176.35 = 51,467.62/x
  3. Step 3: Cross multiply
    131,439.98x = 197,176.35 × 51,467.62
  4. Step 4: Simplify right side
    131,439.98x = 10,148,197,454.79
  5. Step 5: Solve for x
    x = 10,148,197,454.79/131,439.98
  6. Step 6: Final answer
    x = 77,207.84

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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.