Home / 180,869.40-271,151.01-68,487.67

Finding the Fourth Proportional to 180,869.40, 271,151.01 and 68,487.67

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Solution

The fourth proportional to 180,869.40, 271,151.01 and 68,487.67 is: 102,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,869.40 : 271,151.01 = 68,487.67 : x
  2. Step 2: Convert to fraction form
    180,869.40/271,151.01 = 68,487.67/x
  3. Step 3: Cross multiply
    180,869.40x = 271,151.01 × 68,487.67
  4. Step 4: Simplify right side
    180,869.40x = 18,570,501,231.99
  5. Step 5: Solve for x
    x = 18,570,501,231.99/180,869.40
  6. Step 6: Final answer
    x = 102,673.54

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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.