Home / 125,945.02-173,796.87-75,634.30

Finding the Fourth Proportional to 125,945.02, 173,796.87 and 75,634.30

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Solution

The fourth proportional to 125,945.02, 173,796.87 and 75,634.30 is: 104,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,945.02 : 173,796.87 = 75,634.30 : x
  2. Step 2: Convert to fraction form
    125,945.02/173,796.87 = 75,634.30/x
  3. Step 3: Cross multiply
    125,945.02x = 173,796.87 × 75,634.30
  4. Step 4: Simplify right side
    125,945.02x = 13,145,004,604.64
  5. Step 5: Solve for x
    x = 13,145,004,604.64/125,945.02
  6. Step 6: Final answer
    x = 104,370.98

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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.