Home / 170,727.60-256,237.20-76,103.40

Finding the Fourth Proportional to 170,727.60, 256,237.20 and 76,103.40

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Solution

The fourth proportional to 170,727.60, 256,237.20 and 76,103.40 is: 114,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,727.60 : 256,237.20 = 76,103.40 : x
  2. Step 2: Convert to fraction form
    170,727.60/256,237.20 = 76,103.40/x
  3. Step 3: Cross multiply
    170,727.60x = 256,237.20 × 76,103.40
  4. Step 4: Simplify right side
    170,727.60x = 19,500,522,126.48
  5. Step 5: Solve for x
    x = 19,500,522,126.48/170,727.60
  6. Step 6: Final answer
    x = 114,220.09

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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.