Home / 255,352.13-352,388.39-142,177.31

Finding the Fourth Proportional to 255,352.13, 352,388.39 and 142,177.31

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Solution

The fourth proportional to 255,352.13, 352,388.39 and 142,177.31 is: 196,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,352.13 : 352,388.39 = 142,177.31 : x
  2. Step 2: Convert to fraction form
    255,352.13/352,388.39 = 142,177.31/x
  3. Step 3: Cross multiply
    255,352.13x = 352,388.39 × 142,177.31
  4. Step 4: Simplify right side
    255,352.13x = 50,101,630,892.60
  5. Step 5: Solve for x
    x = 50,101,630,892.60/255,352.13
  6. Step 6: Final answer
    x = 196,206.05

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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.