Home / 131,336.28-196,688.58-75,005.67

Finding the Fourth Proportional to 131,336.28, 196,688.58 and 75,005.67

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Solution

The fourth proportional to 131,336.28, 196,688.58 and 75,005.67 is: 112,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,336.28 : 196,688.58 = 75,005.67 : x
  2. Step 2: Convert to fraction form
    131,336.28/196,688.58 = 75,005.67/x
  3. Step 3: Cross multiply
    131,336.28x = 196,688.58 × 75,005.67
  4. Step 4: Simplify right side
    131,336.28x = 14,752,758,724.25
  5. Step 5: Solve for x
    x = 14,752,758,724.25/131,336.28
  6. Step 6: Final answer
    x = 112,328.13

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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.