Home / 131,316.96-196,956.81-74,974.17

Finding the Fourth Proportional to 131,316.96, 196,956.81 and 74,974.17

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Solution

The fourth proportional to 131,316.96, 196,956.81 and 74,974.17 is: 112,450.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,316.96 : 196,956.81 = 74,974.17 : x
  2. Step 2: Convert to fraction form
    131,316.96/196,956.81 = 74,974.17/x
  3. Step 3: Cross multiply
    131,316.96x = 196,956.81 × 74,974.17
  4. Step 4: Simplify right side
    131,316.96x = 14,766,673,355.60
  5. Step 5: Solve for x
    x = 14,766,673,355.60/131,316.96
  6. Step 6: Final answer
    x = 112,450.62

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1.5x scale

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.