Home / 125,625.72-173,390.83-77,269.20

Finding the Fourth Proportional to 125,625.72, 173,390.83 and 77,269.20

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Solution

The fourth proportional to 125,625.72, 173,390.83 and 77,269.20 is: 106,648.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,625.72 : 173,390.83 = 77,269.20 : x
  2. Step 2: Convert to fraction form
    125,625.72/173,390.83 = 77,269.20/x
  3. Step 3: Cross multiply
    125,625.72x = 173,390.83 × 77,269.20
  4. Step 4: Simplify right side
    125,625.72x = 13,397,770,335.09
  5. Step 5: Solve for x
    x = 13,397,770,335.09/125,625.72
  6. Step 6: Final answer
    x = 106,648.31

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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.