Home / 102,861.27-154,304.25-36,287.67

Finding the Fourth Proportional to 102,861.27, 154,304.25 and 36,287.67

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Solution

The fourth proportional to 102,861.27, 154,304.25 and 36,287.67 is: 54,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,861.27 : 154,304.25 = 36,287.67 : x
  2. Step 2: Convert to fraction form
    102,861.27/154,304.25 = 36,287.67/x
  3. Step 3: Cross multiply
    102,861.27x = 154,304.25 × 36,287.67
  4. Step 4: Simplify right side
    102,861.27x = 5,599,341,703.60
  5. Step 5: Solve for x
    x = 5,599,341,703.60/102,861.27
  6. Step 6: Final answer
    x = 54,435.86

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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.