Home / 103,084.96-142,257.26-62,798.71

Finding the Fourth Proportional to 103,084.96, 142,257.26 and 62,798.71

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Solution

The fourth proportional to 103,084.96, 142,257.26 and 62,798.71 is: 86,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,084.96 : 142,257.26 = 62,798.71 : x
  2. Step 2: Convert to fraction form
    103,084.96/142,257.26 = 62,798.71/x
  3. Step 3: Cross multiply
    103,084.96x = 142,257.26 × 62,798.71
  4. Step 4: Simplify right side
    103,084.96x = 8,933,572,217.49
  5. Step 5: Solve for x
    x = 8,933,572,217.49/103,084.96
  6. Step 6: Final answer
    x = 86,662.23

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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.