Home / 123,669.70-185,511.74-34,915.78

Finding the Fourth Proportional to 123,669.70, 185,511.74 and 34,915.78

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Solution

The fourth proportional to 123,669.70, 185,511.74 and 34,915.78 is: 52,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,669.70 : 185,511.74 = 34,915.78 : x
  2. Step 2: Convert to fraction form
    123,669.70/185,511.74 = 34,915.78/x
  3. Step 3: Cross multiply
    123,669.70x = 185,511.74 × 34,915.78
  4. Step 4: Simplify right side
    123,669.70x = 6,477,287,101.26
  5. Step 5: Solve for x
    x = 6,477,287,101.26/123,669.70
  6. Step 6: Final answer
    x = 52,375.70

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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.