Home / 131,937.30-197,936.70-43,185.42

Finding the Fourth Proportional to 131,937.30, 197,936.70 and 43,185.42

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Solution

The fourth proportional to 131,937.30, 197,936.70 and 43,185.42 is: 64,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,937.30 : 197,936.70 = 43,185.42 : x
  2. Step 2: Convert to fraction form
    131,937.30/197,936.70 = 43,185.42/x
  3. Step 3: Cross multiply
    131,937.30x = 197,936.70 × 43,185.42
  4. Step 4: Simplify right side
    131,937.30x = 8,547,979,522.91
  5. Step 5: Solve for x
    x = 8,547,979,522.91/131,937.30
  6. Step 6: Final answer
    x = 64,788.20

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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.