Home / 108,997.02-150,416.88-65,977.50

Finding the Fourth Proportional to 108,997.02, 150,416.88 and 65,977.50

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Solution

The fourth proportional to 108,997.02, 150,416.88 and 65,977.50 is: 91,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,997.02 : 150,416.88 = 65,977.50 : x
  2. Step 2: Convert to fraction form
    108,997.02/150,416.88 = 65,977.50/x
  3. Step 3: Cross multiply
    108,997.02x = 150,416.88 × 65,977.50
  4. Step 4: Simplify right side
    108,997.02x = 9,924,129,700.20
  5. Step 5: Solve for x
    x = 9,924,129,700.20/108,997.02
  6. Step 6: Final answer
    x = 91,049.55

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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.