Home / 255,468.19-352,546.20-148,100.47

Finding the Fourth Proportional to 255,468.19, 352,546.20 and 148,100.47

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Solution

The fourth proportional to 255,468.19, 352,546.20 and 148,100.47 is: 204,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,468.19 : 352,546.20 = 148,100.47 : x
  2. Step 2: Convert to fraction form
    255,468.19/352,546.20 = 148,100.47/x
  3. Step 3: Cross multiply
    255,468.19x = 352,546.20 × 148,100.47
  4. Step 4: Simplify right side
    255,468.19x = 52,212,257,916.71
  5. Step 5: Solve for x
    x = 52,212,257,916.71/255,468.19
  6. Step 6: Final answer
    x = 204,378.71

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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.