Home / 131,144.14-196,715.85-56,215.72

Finding the Fourth Proportional to 131,144.14, 196,715.85 and 56,215.72

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Solution

The fourth proportional to 131,144.14, 196,715.85 and 56,215.72 is: 84,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,144.14 : 196,715.85 = 56,215.72 : x
  2. Step 2: Convert to fraction form
    131,144.14/196,715.85 = 56,215.72/x
  3. Step 3: Cross multiply
    131,144.14x = 196,715.85 × 56,215.72
  4. Step 4: Simplify right side
    131,144.14x = 11,058,523,143.16
  5. Step 5: Solve for x
    x = 11,058,523,143.16/131,144.14
  6. Step 6: Final answer
    x = 84,323.43

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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.