Home / 121,922.10-182,960.88-51,801.39

Finding the Fourth Proportional to 121,922.10, 182,960.88 and 51,801.39

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Solution

The fourth proportional to 121,922.10, 182,960.88 and 51,801.39 is: 77,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,922.10 : 182,960.88 = 51,801.39 : x
  2. Step 2: Convert to fraction form
    121,922.10/182,960.88 = 51,801.39/x
  3. Step 3: Cross multiply
    121,922.10x = 182,960.88 × 51,801.39
  4. Step 4: Simplify right side
    121,922.10x = 9,477,627,899.62
  5. Step 5: Solve for x
    x = 9,477,627,899.62/121,922.10
  6. Step 6: Final answer
    x = 77,735.11

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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.