Home / 131,739-197,611.47-47,506.02

Finding the Fourth Proportional to 131,739, 197,611.47 and 47,506.02

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Solution

The fourth proportional to 131,739, 197,611.47 and 47,506.02 is: 71,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,739 : 197,611.47 = 47,506.02 : x
  2. Step 2: Convert to fraction form
    131,739/197,611.47 = 47,506.02/x
  3. Step 3: Cross multiply
    131,739x = 197,611.47 × 47,506.02
  4. Step 4: Simplify right side
    131,739x = 9,387,734,446.05
  5. Step 5: Solve for x
    x = 9,387,734,446.05/131,739
  6. Step 6: Final answer
    x = 71,260.10

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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.