Home / 112,723.75-155,558.82-62,422.75

Finding the Fourth Proportional to 112,723.75, 155,558.82 and 62,422.75

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Solution

The fourth proportional to 112,723.75, 155,558.82 and 62,422.75 is: 86,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,723.75 : 155,558.82 = 62,422.75 : x
  2. Step 2: Convert to fraction form
    112,723.75/155,558.82 = 62,422.75/x
  3. Step 3: Cross multiply
    112,723.75x = 155,558.82 × 62,422.75
  4. Step 4: Simplify right side
    112,723.75x = 9,710,409,331.16
  5. Step 5: Solve for x
    x = 9,710,409,331.16/112,723.75
  6. Step 6: Final answer
    x = 86,143.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.