Home / 212,372.87-293,069.18-115,572.61

Finding the Fourth Proportional to 212,372.87, 293,069.18 and 115,572.61

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Solution

The fourth proportional to 212,372.87, 293,069.18 and 115,572.61 is: 159,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,372.87 : 293,069.18 = 115,572.61 : x
  2. Step 2: Convert to fraction form
    212,372.87/293,069.18 = 115,572.61/x
  3. Step 3: Cross multiply
    212,372.87x = 293,069.18 × 115,572.61
  4. Step 4: Simplify right side
    212,372.87x = 33,870,770,043.16
  5. Step 5: Solve for x
    x = 33,870,770,043.16/212,372.87
  6. Step 6: Final answer
    x = 159,487.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.