Home / 103,182-142,391.16-60,766.62

Finding the Fourth Proportional to 103,182, 142,391.16 and 60,766.62

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Solution

The fourth proportional to 103,182, 142,391.16 and 60,766.62 is: 83,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,182 : 142,391.16 = 60,766.62 : x
  2. Step 2: Convert to fraction form
    103,182/142,391.16 = 60,766.62/x
  3. Step 3: Cross multiply
    103,182x = 142,391.16 × 60,766.62
  4. Step 4: Simplify right side
    103,182x = 8,652,629,511.08
  5. Step 5: Solve for x
    x = 8,652,629,511.08/103,182
  6. Step 6: Final answer
    x = 83,857.94

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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.