Home / 255,431.45-352,506.33-142,254.20

Finding the Fourth Proportional to 255,431.45, 352,506.33 and 142,254.20

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Solution

The fourth proportional to 255,431.45, 352,506.33 and 142,254.20 is: 196,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,431.45 : 352,506.33 = 142,254.20 : x
  2. Step 2: Convert to fraction form
    255,431.45/352,506.33 = 142,254.20/x
  3. Step 3: Cross multiply
    255,431.45x = 352,506.33 × 142,254.20
  4. Step 4: Simplify right side
    255,431.45x = 50,145,504,206.55
  5. Step 5: Solve for x
    x = 50,145,504,206.55/255,431.45
  6. Step 6: Final answer
    x = 196,316.88

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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.