Home / 255,521.52-352,626.21-142,346.70

Finding the Fourth Proportional to 255,521.52, 352,626.21 and 142,346.70

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Solution

The fourth proportional to 255,521.52, 352,626.21 and 142,346.70 is: 196,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,521.52 : 352,626.21 = 142,346.70 : x
  2. Step 2: Convert to fraction form
    255,521.52/352,626.21 = 142,346.70/x
  3. Step 3: Cross multiply
    255,521.52x = 352,626.21 × 142,346.70
  4. Step 4: Simplify right side
    255,521.52x = 50,195,177,327.01
  5. Step 5: Solve for x
    x = 50,195,177,327.01/255,521.52
  6. Step 6: Final answer
    x = 196,442.07

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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.