Home / 219,742.23-329,622.93-107,516.94

Finding the Fourth Proportional to 219,742.23, 329,622.93 and 107,516.94

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Solution

The fourth proportional to 219,742.23, 329,622.93 and 107,516.94 is: 161,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,742.23 : 329,622.93 = 107,516.94 : x
  2. Step 2: Convert to fraction form
    219,742.23/329,622.93 = 107,516.94/x
  3. Step 3: Cross multiply
    219,742.23x = 329,622.93 × 107,516.94
  4. Step 4: Simplify right side
    219,742.23x = 35,440,048,787.43
  5. Step 5: Solve for x
    x = 35,440,048,787.43/219,742.23
  6. Step 6: Final answer
    x = 161,280.10

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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.