Home / 170,830.90-256,246.35-161,154.10

Finding the Fourth Proportional to 170,830.90, 256,246.35 and 161,154.10

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Solution

The fourth proportional to 170,830.90, 256,246.35 and 161,154.10 is: 241,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,830.90 : 256,246.35 = 161,154.10 : x
  2. Step 2: Convert to fraction form
    170,830.90/256,246.35 = 161,154.10/x
  3. Step 3: Cross multiply
    170,830.90x = 256,246.35 × 161,154.10
  4. Step 4: Simplify right side
    170,830.90x = 41,295,149,912.54
  5. Step 5: Solve for x
    x = 41,295,149,912.54/170,830.90
  6. Step 6: Final answer
    x = 241,731.15

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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.