Home / 142,529.14-196,629.96-82,085.32

Finding the Fourth Proportional to 142,529.14, 196,629.96 and 82,085.32

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Solution

The fourth proportional to 142,529.14, 196,629.96 and 82,085.32 is: 113,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,529.14 : 196,629.96 = 82,085.32 : x
  2. Step 2: Convert to fraction form
    142,529.14/196,629.96 = 82,085.32/x
  3. Step 3: Cross multiply
    142,529.14x = 196,629.96 × 82,085.32
  4. Step 4: Simplify right side
    142,529.14x = 16,140,433,188.19
  5. Step 5: Solve for x
    x = 16,140,433,188.19/142,529.14
  6. Step 6: Final answer
    x = 113,243.04

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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.