Home / 125,721.42-173,488.32-69,132.84

Finding the Fourth Proportional to 125,721.42, 173,488.32 and 69,132.84

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Solution

The fourth proportional to 125,721.42, 173,488.32 and 69,132.84 is: 95,399.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,721.42 : 173,488.32 = 69,132.84 : x
  2. Step 2: Convert to fraction form
    125,721.42/173,488.32 = 69,132.84/x
  3. Step 3: Cross multiply
    125,721.42x = 173,488.32 × 69,132.84
  4. Step 4: Simplify right side
    125,721.42x = 11,993,740,268.43
  5. Step 5: Solve for x
    x = 11,993,740,268.43/125,721.42
  6. Step 6: Final answer
    x = 95,399.34

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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.