Home / 255,630.56-352,539.96-160,145.60

Finding the Fourth Proportional to 255,630.56, 352,539.96 and 160,145.60

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Solution

The fourth proportional to 255,630.56, 352,539.96 and 160,145.60 is: 220,856.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,630.56 : 352,539.96 = 160,145.60 : x
  2. Step 2: Convert to fraction form
    255,630.56/352,539.96 = 160,145.60/x
  3. Step 3: Cross multiply
    255,630.56x = 352,539.96 × 160,145.60
  4. Step 4: Simplify right side
    255,630.56x = 56,457,723,418.18
  5. Step 5: Solve for x
    x = 56,457,723,418.18/255,630.56
  6. Step 6: Final answer
    x = 220,856.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.