Home / 255,431.56-352,506.49-142,254.31

Finding the Fourth Proportional to 255,431.56, 352,506.49 and 142,254.31

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Solution

The fourth proportional to 255,431.56, 352,506.49 and 142,254.31 is: 196,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,431.56 : 352,506.49 = 142,254.31 : x
  2. Step 2: Convert to fraction form
    255,431.56/352,506.49 = 142,254.31/x
  3. Step 3: Cross multiply
    255,431.56x = 352,506.49 × 142,254.31
  4. Step 4: Simplify right side
    255,431.56x = 50,145,567,505.47
  5. Step 5: Solve for x
    x = 50,145,567,505.47/255,431.56
  6. Step 6: Final answer
    x = 196,317.04

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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.