Home / 143,052.42-197,448.18-82,658.14

Finding the Fourth Proportional to 143,052.42, 197,448.18 and 82,658.14

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Solution

The fourth proportional to 143,052.42, 197,448.18 and 82,658.14 is: 114,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,052.42 : 197,448.18 = 82,658.14 : x
  2. Step 2: Convert to fraction form
    143,052.42/197,448.18 = 82,658.14/x
  3. Step 3: Cross multiply
    143,052.42x = 197,448.18 × 82,658.14
  4. Step 4: Simplify right side
    143,052.42x = 16,320,699,305.19
  5. Step 5: Solve for x
    x = 16,320,699,305.19/143,052.42
  6. Step 6: Final answer
    x = 114,088.94

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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.