Home / 169,408.86-254,136.69-57,121.17

Finding the Fourth Proportional to 169,408.86, 254,136.69 and 57,121.17

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Solution

The fourth proportional to 169,408.86, 254,136.69 and 57,121.17 is: 85,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,408.86 : 254,136.69 = 57,121.17 : x
  2. Step 2: Convert to fraction form
    169,408.86/254,136.69 = 57,121.17/x
  3. Step 3: Cross multiply
    169,408.86x = 254,136.69 × 57,121.17
  4. Step 4: Simplify right side
    169,408.86x = 14,516,585,072.73
  5. Step 5: Solve for x
    x = 14,516,585,072.73/169,408.86
  6. Step 6: Final answer
    x = 85,689.64

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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.