Home / 125,845.31-173,670.21-69,256.69

Finding the Fourth Proportional to 125,845.31, 173,670.21 and 69,256.69

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Solution

The fourth proportional to 125,845.31, 173,670.21 and 69,256.69 is: 95,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,845.31 : 173,670.21 = 69,256.69 : x
  2. Step 2: Convert to fraction form
    125,845.31/173,670.21 = 69,256.69/x
  3. Step 3: Cross multiply
    125,845.31x = 173,670.21 × 69,256.69
  4. Step 4: Simplify right side
    125,845.31x = 12,027,823,462.03
  5. Step 5: Solve for x
    x = 12,027,823,462.03/125,845.31
  6. Step 6: Final answer
    x = 95,576.25

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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.