Home / 146,240.22-219,328.64-85,409.83

Finding the Fourth Proportional to 146,240.22, 219,328.64 and 85,409.83

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Solution

The fourth proportional to 146,240.22, 219,328.64 and 85,409.83 is: 128,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,240.22 : 219,328.64 = 85,409.83 : x
  2. Step 2: Convert to fraction form
    146,240.22/219,328.64 = 85,409.83/x
  3. Step 3: Cross multiply
    146,240.22x = 219,328.64 × 85,409.83
  4. Step 4: Simplify right side
    146,240.22x = 18,732,821,856.53
  5. Step 5: Solve for x
    x = 18,732,821,856.53/146,240.22
  6. Step 6: Final answer
    x = 128,096.24

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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.