Home / 255,376.40-352,416.22-140,652.75

Finding the Fourth Proportional to 255,376.40, 352,416.22 and 140,652.75

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Solution

The fourth proportional to 255,376.40, 352,416.22 and 140,652.75 is: 194,099.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,376.40 : 352,416.22 = 140,652.75 : x
  2. Step 2: Convert to fraction form
    255,376.40/352,416.22 = 140,652.75/x
  3. Step 3: Cross multiply
    255,376.40x = 352,416.22 × 140,652.75
  4. Step 4: Simplify right side
    255,376.40x = 49,568,311,457.53
  5. Step 5: Solve for x
    x = 49,568,311,457.53/255,376.40
  6. Step 6: Final answer
    x = 194,099.03

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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.