Home / 142,661.90-196,873.11-82,232.15

Finding the Fourth Proportional to 142,661.90, 196,873.11 and 82,232.15

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Solution

The fourth proportional to 142,661.90, 196,873.11 and 82,232.15 is: 113,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,661.90 : 196,873.11 = 82,232.15 : x
  2. Step 2: Convert to fraction form
    142,661.90/196,873.11 = 82,232.15/x
  3. Step 3: Cross multiply
    142,661.90x = 196,873.11 × 82,232.15
  4. Step 4: Simplify right side
    142,661.90x = 16,189,298,128.12
  5. Step 5: Solve for x
    x = 16,189,298,128.12/142,661.90
  6. Step 6: Final answer
    x = 113,480.18

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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.