Home / 169,165.85-253,730.89-89,171.75

Finding the Fourth Proportional to 169,165.85, 253,730.89 and 89,171.75

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Solution

The fourth proportional to 169,165.85, 253,730.89 and 89,171.75 is: 133,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,165.85 : 253,730.89 = 89,171.75 : x
  2. Step 2: Convert to fraction form
    169,165.85/253,730.89 = 89,171.75/x
  3. Step 3: Cross multiply
    169,165.85x = 253,730.89 × 89,171.75
  4. Step 4: Simplify right side
    169,165.85x = 22,625,628,236.15
  5. Step 5: Solve for x
    x = 22,625,628,236.15/169,165.85
  6. Step 6: Final answer
    x = 133,748.21

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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.