Home / 104,074.40-143,619.60-58,754

Finding the Fourth Proportional to 104,074.40, 143,619.60 and 58,754

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Solution

The fourth proportional to 104,074.40, 143,619.60 and 58,754 is: 81,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,074.40 : 143,619.60 = 58,754 : x
  2. Step 2: Convert to fraction form
    104,074.40/143,619.60 = 58,754/x
  3. Step 3: Cross multiply
    104,074.40x = 143,619.60 × 58,754
  4. Step 4: Simplify right side
    104,074.40x = 8,438,225,978.40
  5. Step 5: Solve for x
    x = 8,438,225,978.40/104,074.40
  6. Step 6: Final answer
    x = 81,078.79

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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.