Home / 125,577.54-173,166.66-87,380.37

Finding the Fourth Proportional to 125,577.54, 173,166.66 and 87,380.37

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Solution

The fourth proportional to 125,577.54, 173,166.66 and 87,380.37 is: 120,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,577.54 : 173,166.66 = 87,380.37 : x
  2. Step 2: Convert to fraction form
    125,577.54/173,166.66 = 87,380.37/x
  3. Step 3: Cross multiply
    125,577.54x = 173,166.66 × 87,380.37
  4. Step 4: Simplify right side
    125,577.54x = 15,131,366,822.46
  5. Step 5: Solve for x
    x = 15,131,366,822.46/125,577.54
  6. Step 6: Final answer
    x = 120,494.21

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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.