Home / 169,166.85-253,732.39-89,172.75

Finding the Fourth Proportional to 169,166.85, 253,732.39 and 89,172.75

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Solution

The fourth proportional to 169,166.85, 253,732.39 and 89,172.75 is: 133,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,166.85 : 253,732.39 = 89,172.75 : x
  2. Step 2: Convert to fraction form
    169,166.85/253,732.39 = 89,172.75/x
  3. Step 3: Cross multiply
    169,166.85x = 253,732.39 × 89,172.75
  4. Step 4: Simplify right side
    169,166.85x = 22,626,014,980.37
  5. Step 5: Solve for x
    x = 22,626,014,980.37/169,166.85
  6. Step 6: Final answer
    x = 133,749.70

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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.