Home / 102,449.46-153,668.64-39,299.85

Finding the Fourth Proportional to 102,449.46, 153,668.64 and 39,299.85

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Solution

The fourth proportional to 102,449.46, 153,668.64 and 39,299.85 is: 58,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,449.46 : 153,668.64 = 39,299.85 : x
  2. Step 2: Convert to fraction form
    102,449.46/153,668.64 = 39,299.85/x
  3. Step 3: Cross multiply
    102,449.46x = 153,668.64 × 39,299.85
  4. Step 4: Simplify right side
    102,449.46x = 6,039,154,501.70
  5. Step 5: Solve for x
    x = 6,039,154,501.70/102,449.46
  6. Step 6: Final answer
    x = 58,947.65

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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.