Home / 119,380.57-164,768.55-68,427.42

Finding the Fourth Proportional to 119,380.57, 164,768.55 and 68,427.42

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Solution

The fourth proportional to 119,380.57, 164,768.55 and 68,427.42 is: 94,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,380.57 : 164,768.55 = 68,427.42 : x
  2. Step 2: Convert to fraction form
    119,380.57/164,768.55 = 68,427.42/x
  3. Step 3: Cross multiply
    119,380.57x = 164,768.55 × 68,427.42
  4. Step 4: Simplify right side
    119,380.57x = 11,274,685,899.16
  5. Step 5: Solve for x
    x = 11,274,685,899.16/119,380.57
  6. Step 6: Final answer
    x = 94,443.23

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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.