Home / 190,865.76-286,379.52-102,096

Finding the Fourth Proportional to 190,865.76, 286,379.52 and 102,096

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Solution

The fourth proportional to 190,865.76, 286,379.52 and 102,096 is: 153,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,865.76 : 286,379.52 = 102,096 : x
  2. Step 2: Convert to fraction form
    190,865.76/286,379.52 = 102,096/x
  3. Step 3: Cross multiply
    190,865.76x = 286,379.52 × 102,096
  4. Step 4: Simplify right side
    190,865.76x = 29,238,203,473.92
  5. Step 5: Solve for x
    x = 29,238,203,473.92/190,865.76
  6. Step 6: Final answer
    x = 153,187.26

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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.