Home / 255,637.26-352,794.83-140,915.75

Finding the Fourth Proportional to 255,637.26, 352,794.83 and 140,915.75

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Solution

The fourth proportional to 255,637.26, 352,794.83 and 140,915.75 is: 194,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,637.26 : 352,794.83 = 140,915.75 : x
  2. Step 2: Convert to fraction form
    255,637.26/352,794.83 = 140,915.75/x
  3. Step 3: Cross multiply
    255,637.26x = 352,794.83 × 140,915.75
  4. Step 4: Simplify right side
    255,637.26x = 49,714,345,597.02
  5. Step 5: Solve for x
    x = 49,714,345,597.02/255,637.26
  6. Step 6: Final answer
    x = 194,472.22

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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.