Home / 255,636.12-352,770.78-142,455.96

Finding the Fourth Proportional to 255,636.12, 352,770.78 and 142,455.96

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Solution

The fourth proportional to 255,636.12, 352,770.78 and 142,455.96 is: 196,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,636.12 : 352,770.78 = 142,455.96 : x
  2. Step 2: Convert to fraction form
    255,636.12/352,770.78 = 142,455.96/x
  3. Step 3: Cross multiply
    255,636.12x = 352,770.78 × 142,455.96
  4. Step 4: Simplify right side
    255,636.12x = 50,254,300,124.85
  5. Step 5: Solve for x
    x = 50,254,300,124.85/255,636.12
  6. Step 6: Final answer
    x = 196,585.29

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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.