Home / 170,414.90-255,622.35-107,429.30

Finding the Fourth Proportional to 170,414.90, 255,622.35 and 107,429.30

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Solution

The fourth proportional to 170,414.90, 255,622.35 and 107,429.30 is: 161,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,414.90 : 255,622.35 = 107,429.30 : x
  2. Step 2: Convert to fraction form
    170,414.90/255,622.35 = 107,429.30/x
  3. Step 3: Cross multiply
    170,414.90x = 255,622.35 × 107,429.30
  4. Step 4: Simplify right side
    170,414.90x = 27,461,330,124.86
  5. Step 5: Solve for x
    x = 27,461,330,124.86/170,414.90
  6. Step 6: Final answer
    x = 161,143.95

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1.5x scale

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.