Home / 190,120.92-285,082.94-101,350.58

Finding the Fourth Proportional to 190,120.92, 285,082.94 and 101,350.58

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Solution

The fourth proportional to 190,120.92, 285,082.94 and 101,350.58 is: 151,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,120.92 : 285,082.94 = 101,350.58 : x
  2. Step 2: Convert to fraction form
    190,120.92/285,082.94 = 101,350.58/x
  3. Step 3: Cross multiply
    190,120.92x = 285,082.94 × 101,350.58
  4. Step 4: Simplify right side
    190,120.92x = 28,893,321,317.11
  5. Step 5: Solve for x
    x = 28,893,321,317.11/190,120.92
  6. Step 6: Final answer
    x = 151,973.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.