Home / 108,342.60-149,553.78-96,991.56

Finding the Fourth Proportional to 108,342.60, 149,553.78 and 96,991.56

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Solution

The fourth proportional to 108,342.60, 149,553.78 and 96,991.56 is: 133,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,342.60 : 149,553.78 = 96,991.56 : x
  2. Step 2: Convert to fraction form
    108,342.60/149,553.78 = 96,991.56/x
  3. Step 3: Cross multiply
    108,342.60x = 149,553.78 × 96,991.56
  4. Step 4: Simplify right side
    108,342.60x = 14,505,454,426.10
  5. Step 5: Solve for x
    x = 14,505,454,426.10/108,342.60
  6. Step 6: Final answer
    x = 133,885.05

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1.5x scale

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.