Home / 119,130.30-164,380.32-68,134.82

Finding the Fourth Proportional to 119,130.30, 164,380.32 and 68,134.82

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Solution

The fourth proportional to 119,130.30, 164,380.32 and 68,134.82 is: 94,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,130.30 : 164,380.32 = 68,134.82 : x
  2. Step 2: Convert to fraction form
    119,130.30/164,380.32 = 68,134.82/x
  3. Step 3: Cross multiply
    119,130.30x = 164,380.32 × 68,134.82
  4. Step 4: Simplify right side
    119,130.30x = 11,200,022,692.84
  5. Step 5: Solve for x
    x = 11,200,022,692.84/119,130.30
  6. Step 6: Final answer
    x = 94,014.90

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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.