Home / 255,453.35-352,525.64-142,276.10

Finding the Fourth Proportional to 255,453.35, 352,525.64 and 142,276.10

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Solution

The fourth proportional to 255,453.35, 352,525.64 and 142,276.10 is: 196,341.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,453.35 : 352,525.64 = 142,276.10 : x
  2. Step 2: Convert to fraction form
    255,453.35/352,525.64 = 142,276.10/x
  3. Step 3: Cross multiply
    255,453.35x = 352,525.64 × 142,276.10
  4. Step 4: Simplify right side
    255,453.35x = 50,155,970,735.20
  5. Step 5: Solve for x
    x = 50,155,970,735.20/255,453.35
  6. Step 6: Final answer
    x = 196,341.02

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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.