Home / 112,868.17-169,316.37-41,778.81

Finding the Fourth Proportional to 112,868.17, 169,316.37 and 41,778.81

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Solution

The fourth proportional to 112,868.17, 169,316.37 and 41,778.81 is: 62,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,868.17 : 169,316.37 = 41,778.81 : x
  2. Step 2: Convert to fraction form
    112,868.17/169,316.37 = 41,778.81/x
  3. Step 3: Cross multiply
    112,868.17x = 169,316.37 × 41,778.81
  4. Step 4: Simplify right side
    112,868.17x = 7,073,836,452.12
  5. Step 5: Solve for x
    x = 7,073,836,452.12/112,868.17
  6. Step 6: Final answer
    x = 62,673.44

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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.