Home / 108,076.86-149,177.43-62,765.10

Finding the Fourth Proportional to 108,076.86, 149,177.43 and 62,765.10

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Solution

The fourth proportional to 108,076.86, 149,177.43 and 62,765.10 is: 86,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,076.86 : 149,177.43 = 62,765.10 : x
  2. Step 2: Convert to fraction form
    108,076.86/149,177.43 = 62,765.10/x
  3. Step 3: Cross multiply
    108,076.86x = 149,177.43 × 62,765.10
  4. Step 4: Simplify right side
    108,076.86x = 9,363,136,311.69
  5. Step 5: Solve for x
    x = 9,363,136,311.69/108,076.86
  6. Step 6: Final answer
    x = 86,634.05

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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.