Home / 122,555.74-183,989.16-104,204.38

Finding the Fourth Proportional to 122,555.74, 183,989.16 and 104,204.38

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Solution

The fourth proportional to 122,555.74, 183,989.16 and 104,204.38 is: 156,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,555.74 : 183,989.16 = 104,204.38 : x
  2. Step 2: Convert to fraction form
    122,555.74/183,989.16 = 104,204.38/x
  3. Step 3: Cross multiply
    122,555.74x = 183,989.16 × 104,204.38
  4. Step 4: Simplify right side
    122,555.74x = 19,172,476,344.52
  5. Step 5: Solve for x
    x = 19,172,476,344.52/122,555.74
  6. Step 6: Final answer
    x = 156,438.83

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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.