Home / 255,431.22-352,506.02-142,253.97

Finding the Fourth Proportional to 255,431.22, 352,506.02 and 142,253.97

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Solution

The fourth proportional to 255,431.22, 352,506.02 and 142,253.97 is: 196,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,431.22 : 352,506.02 = 142,253.97 : x
  2. Step 2: Convert to fraction form
    255,431.22/352,506.02 = 142,253.97/x
  3. Step 3: Cross multiply
    255,431.22x = 352,506.02 × 142,253.97
  4. Step 4: Simplify right side
    255,431.22x = 50,145,380,616.08
  5. Step 5: Solve for x
    x = 50,145,380,616.08/255,431.22
  6. Step 6: Final answer
    x = 196,316.57

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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.