Home / 104,082.40-143,625.72-58,764.86

Finding the Fourth Proportional to 104,082.40, 143,625.72 and 58,764.86

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Solution

The fourth proportional to 104,082.40, 143,625.72 and 58,764.86 is: 81,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,082.40 : 143,625.72 = 58,764.86 : x
  2. Step 2: Convert to fraction form
    104,082.40/143,625.72 = 58,764.86/x
  3. Step 3: Cross multiply
    104,082.40x = 143,625.72 × 58,764.86
  4. Step 4: Simplify right side
    104,082.40x = 8,440,145,369.04
  5. Step 5: Solve for x
    x = 8,440,145,369.04/104,082.40
  6. Step 6: Final answer
    x = 81,090.99

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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.