Home / 159,811.96-239,865.18-80,982.04

Finding the Fourth Proportional to 159,811.96, 239,865.18 and 80,982.04

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Solution

The fourth proportional to 159,811.96, 239,865.18 and 80,982.04 is: 121,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,811.96 : 239,865.18 = 80,982.04 : x
  2. Step 2: Convert to fraction form
    159,811.96/239,865.18 = 80,982.04/x
  3. Step 3: Cross multiply
    159,811.96x = 239,865.18 × 80,982.04
  4. Step 4: Simplify right side
    159,811.96x = 19,424,771,601.37
  5. Step 5: Solve for x
    x = 19,424,771,601.37/159,811.96
  6. Step 6: Final answer
    x = 121,547.67

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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.