Home / 255,336.45-352,426.35-147,889.14

Finding the Fourth Proportional to 255,336.45, 352,426.35 and 147,889.14

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Solution

The fourth proportional to 255,336.45, 352,426.35 and 147,889.14 is: 204,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,336.45 : 352,426.35 = 147,889.14 : x
  2. Step 2: Convert to fraction form
    255,336.45/352,426.35 = 147,889.14/x
  3. Step 3: Cross multiply
    255,336.45x = 352,426.35 × 147,889.14
  4. Step 4: Simplify right side
    255,336.45x = 52,120,029,814.84
  5. Step 5: Solve for x
    x = 52,120,029,814.84/255,336.45
  6. Step 6: Final answer
    x = 204,122.95

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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.