Home / 125,789.78-173,593.05-68,432.33

Finding the Fourth Proportional to 125,789.78, 173,593.05 and 68,432.33

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Solution

The fourth proportional to 125,789.78, 173,593.05 and 68,432.33 is: 94,438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,789.78 : 173,593.05 = 68,432.33 : x
  2. Step 2: Convert to fraction form
    125,789.78/173,593.05 = 68,432.33/x
  3. Step 3: Cross multiply
    125,789.78x = 173,593.05 × 68,432.33
  4. Step 4: Simplify right side
    125,789.78x = 11,879,376,883.31
  5. Step 5: Solve for x
    x = 11,879,376,883.31/125,789.78
  6. Step 6: Final answer
    x = 94,438.33

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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.