Home / 123,212.75-169,902.32-97,325.81

Finding the Fourth Proportional to 123,212.75, 169,902.32 and 97,325.81

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Solution

The fourth proportional to 123,212.75, 169,902.32 and 97,325.81 is: 134,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,212.75 : 169,902.32 = 97,325.81 : x
  2. Step 2: Convert to fraction form
    123,212.75/169,902.32 = 97,325.81/x
  3. Step 3: Cross multiply
    123,212.75x = 169,902.32 × 97,325.81
  4. Step 4: Simplify right side
    123,212.75x = 16,535,879,578.74
  5. Step 5: Solve for x
    x = 16,535,879,578.74/123,212.75
  6. Step 6: Final answer
    x = 134,205.91

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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.