Home / 255,216.42-352,195.80-140,492.61

Finding the Fourth Proportional to 255,216.42, 352,195.80 and 140,492.61

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Solution

The fourth proportional to 255,216.42, 352,195.80 and 140,492.61 is: 193,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,216.42 : 352,195.80 = 140,492.61 : x
  2. Step 2: Convert to fraction form
    255,216.42/352,195.80 = 140,492.61/x
  3. Step 3: Cross multiply
    255,216.42x = 352,195.80 × 140,492.61
  4. Step 4: Simplify right side
    255,216.42x = 49,480,906,646.19
  5. Step 5: Solve for x
    x = 49,480,906,646.19/255,216.42
  6. Step 6: Final answer
    x = 193,878.23

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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.