Home / 104,185.32-143,774.64-58,865.42

Finding the Fourth Proportional to 104,185.32, 143,774.64 and 58,865.42

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Solution

The fourth proportional to 104,185.32, 143,774.64 and 58,865.42 is: 81,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,185.32 : 143,774.64 = 58,865.42 : x
  2. Step 2: Convert to fraction form
    104,185.32/143,774.64 = 58,865.42/x
  3. Step 3: Cross multiply
    104,185.32x = 143,774.64 × 58,865.42
  4. Step 4: Simplify right side
    104,185.32x = 8,463,353,850.08
  5. Step 5: Solve for x
    x = 8,463,353,850.08/104,185.32
  6. Step 6: Final answer
    x = 81,233.65

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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.