Home / 255,686.24-352,847.40-142,506.56

Finding the Fourth Proportional to 255,686.24, 352,847.40 and 142,506.56

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Solution

The fourth proportional to 255,686.24, 352,847.40 and 142,506.56 is: 196,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,686.24 : 352,847.40 = 142,506.56 : x
  2. Step 2: Convert to fraction form
    255,686.24/352,847.40 = 142,506.56/x
  3. Step 3: Cross multiply
    255,686.24x = 352,847.40 × 142,506.56
  4. Step 4: Simplify right side
    255,686.24x = 50,283,069,178.94
  5. Step 5: Solve for x
    x = 50,283,069,178.94/255,686.24
  6. Step 6: Final answer
    x = 196,659.27

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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.