Home / 255,334.26-352,372.20-142,157

Finding the Fourth Proportional to 255,334.26, 352,372.20 and 142,157

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Solution

The fourth proportional to 255,334.26, 352,372.20 and 142,157 is: 196,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,334.26 : 352,372.20 = 142,157 : x
  2. Step 2: Convert to fraction form
    255,334.26/352,372.20 = 142,157/x
  3. Step 3: Cross multiply
    255,334.26x = 352,372.20 × 142,157
  4. Step 4: Simplify right side
    255,334.26x = 50,092,174,835.40
  5. Step 5: Solve for x
    x = 50,092,174,835.40/255,334.26
  6. Step 6: Final answer
    x = 196,182.74

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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.