Home / 170,143.75-255,196.17-45,494.47

Finding the Fourth Proportional to 170,143.75, 255,196.17 and 45,494.47

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Solution

The fourth proportional to 170,143.75, 255,196.17 and 45,494.47 is: 68,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143.75 : 255,196.17 = 45,494.47 : x
  2. Step 2: Convert to fraction form
    170,143.75/255,196.17 = 45,494.47/x
  3. Step 3: Cross multiply
    170,143.75x = 255,196.17 × 45,494.47
  4. Step 4: Simplify right side
    170,143.75x = 11,610,014,500.18
  5. Step 5: Solve for x
    x = 11,610,014,500.18/170,143.75
  6. Step 6: Final answer
    x = 68,236.50

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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.