Home / 81,610.08-122,160.72-62,841.36

Finding the Fourth Proportional to 81,610.08, 122,160.72 and 62,841.36

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Solution

The fourth proportional to 81,610.08, 122,160.72 and 62,841.36 is: 94,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,610.08 : 122,160.72 = 62,841.36 : x
  2. Step 2: Convert to fraction form
    81,610.08/122,160.72 = 62,841.36/x
  3. Step 3: Cross multiply
    81,610.08x = 122,160.72 × 62,841.36
  4. Step 4: Simplify right side
    81,610.08x = 7,676,745,783.38
  5. Step 5: Solve for x
    x = 7,676,745,783.38/81,610.08
  6. Step 6: Final answer
    x = 94,066.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.