Home / 125,485.92-173,171.16-68,897.25

Finding the Fourth Proportional to 125,485.92, 173,171.16 and 68,897.25

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Solution

The fourth proportional to 125,485.92, 173,171.16 and 68,897.25 is: 95,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,485.92 : 173,171.16 = 68,897.25 : x
  2. Step 2: Convert to fraction form
    125,485.92/173,171.16 = 68,897.25/x
  3. Step 3: Cross multiply
    125,485.92x = 173,171.16 × 68,897.25
  4. Step 4: Simplify right side
    125,485.92x = 11,931,016,703.31
  5. Step 5: Solve for x
    x = 11,931,016,703.31/125,485.92
  6. Step 6: Final answer
    x = 95,078.53

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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.