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Finding the Fourth Proportional to 125,604.78, 173,265.39 and 79,580.22

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Solution

The fourth proportional to 125,604.78, 173,265.39 and 79,580.22 is: 109,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,604.78 : 173,265.39 = 79,580.22 : x
  2. Step 2: Convert to fraction form
    125,604.78/173,265.39 = 79,580.22/x
  3. Step 3: Cross multiply
    125,604.78x = 173,265.39 × 79,580.22
  4. Step 4: Simplify right side
    125,604.78x = 13,788,497,854.59
  5. Step 5: Solve for x
    x = 13,788,497,854.59/125,604.78
  6. Step 6: Final answer
    x = 109,776.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.