Home / 108,177.06-149,282.91-59,778.90

Finding the Fourth Proportional to 108,177.06, 149,282.91 and 59,778.90

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Solution

The fourth proportional to 108,177.06, 149,282.91 and 59,778.90 is: 82,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,177.06 : 149,282.91 = 59,778.90 : x
  2. Step 2: Convert to fraction form
    108,177.06/149,282.91 = 59,778.90/x
  3. Step 3: Cross multiply
    108,177.06x = 149,282.91 × 59,778.90
  4. Step 4: Simplify right side
    108,177.06x = 8,923,968,148.60
  5. Step 5: Solve for x
    x = 8,923,968,148.60/108,177.06
  6. Step 6: Final answer
    x = 82,494.09

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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.