Home / 131,019.84-196,562.88-56,102.40

Finding the Fourth Proportional to 131,019.84, 196,562.88 and 56,102.40

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Solution

The fourth proportional to 131,019.84, 196,562.88 and 56,102.40 is: 84,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,019.84 : 196,562.88 = 56,102.40 : x
  2. Step 2: Convert to fraction form
    131,019.84/196,562.88 = 56,102.40/x
  3. Step 3: Cross multiply
    131,019.84x = 196,562.88 × 56,102.40
  4. Step 4: Simplify right side
    131,019.84x = 11,027,649,318.91
  5. Step 5: Solve for x
    x = 11,027,649,318.91/131,019.84
  6. Step 6: Final answer
    x = 84,167.78

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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.