Home / 119,942.28-165,521.14-65,494.82

Finding the Fourth Proportional to 119,942.28, 165,521.14 and 65,494.82

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Solution

The fourth proportional to 119,942.28, 165,521.14 and 65,494.82 is: 90,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,942.28 : 165,521.14 = 65,494.82 : x
  2. Step 2: Convert to fraction form
    119,942.28/165,521.14 = 65,494.82/x
  3. Step 3: Cross multiply
    119,942.28x = 165,521.14 × 65,494.82
  4. Step 4: Simplify right side
    119,942.28x = 10,840,777,270.49
  5. Step 5: Solve for x
    x = 10,840,777,270.49/119,942.28
  6. Step 6: Final answer
    x = 90,383.28

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1.5x scale

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.