Home / 120,178.37-165,827.72-69,181.24

Finding the Fourth Proportional to 120,178.37, 165,827.72 and 69,181.24

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Solution

The fourth proportional to 120,178.37, 165,827.72 and 69,181.24 is: 95,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,178.37 : 165,827.72 = 69,181.24 : x
  2. Step 2: Convert to fraction form
    120,178.37/165,827.72 = 69,181.24/x
  3. Step 3: Cross multiply
    120,178.37x = 165,827.72 × 69,181.24
  4. Step 4: Simplify right side
    120,178.37x = 11,472,167,883.50
  5. Step 5: Solve for x
    x = 11,472,167,883.50/120,178.37
  6. Step 6: Final answer
    x = 95,459.51

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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.