Home / 103,181.93-142,416.39-62,917.88

Finding the Fourth Proportional to 103,181.93, 142,416.39 and 62,917.88

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Solution

The fourth proportional to 103,181.93, 142,416.39 and 62,917.88 is: 86,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,181.93 : 142,416.39 = 62,917.88 : x
  2. Step 2: Convert to fraction form
    103,181.93/142,416.39 = 62,917.88/x
  3. Step 3: Cross multiply
    103,181.93x = 142,416.39 × 62,917.88
  4. Step 4: Simplify right side
    103,181.93x = 8,960,537,336.05
  5. Step 5: Solve for x
    x = 8,960,537,336.05/103,181.93
  6. Step 6: Final answer
    x = 86,842.12

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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.