Home / 255,447.60-352,528.56-142,270.35

Finding the Fourth Proportional to 255,447.60, 352,528.56 and 142,270.35

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Solution

The fourth proportional to 255,447.60, 352,528.56 and 142,270.35 is: 196,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,447.60 : 352,528.56 = 142,270.35 : x
  2. Step 2: Convert to fraction form
    255,447.60/352,528.56 = 142,270.35/x
  3. Step 3: Cross multiply
    255,447.60x = 352,528.56 × 142,270.35
  4. Step 4: Simplify right side
    255,447.60x = 50,154,361,616.20
  5. Step 5: Solve for x
    x = 50,154,361,616.20/255,447.60
  6. Step 6: Final answer
    x = 196,339.14

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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.