Home / 143,185.43-197,617.44-103,032.11

Finding the Fourth Proportional to 143,185.43, 197,617.44 and 103,032.11

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Solution

The fourth proportional to 143,185.43, 197,617.44 and 103,032.11 is: 142,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,185.43 : 197,617.44 = 103,032.11 : x
  2. Step 2: Convert to fraction form
    143,185.43/197,617.44 = 103,032.11/x
  3. Step 3: Cross multiply
    143,185.43x = 197,617.44 × 103,032.11
  4. Step 4: Simplify right side
    143,185.43x = 20,360,940,827.91
  5. Step 5: Solve for x
    x = 20,360,940,827.91/143,185.43
  6. Step 6: Final answer
    x = 142,199.81

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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.