Home / 255,196.38-352,171.20-147,772.15

Finding the Fourth Proportional to 255,196.38, 352,171.20 and 147,772.15

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Solution

The fourth proportional to 255,196.38, 352,171.20 and 147,772.15 is: 203,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,196.38 : 352,171.20 = 147,772.15 : x
  2. Step 2: Convert to fraction form
    255,196.38/352,171.20 = 147,772.15/x
  3. Step 3: Cross multiply
    255,196.38x = 352,171.20 × 147,772.15
  4. Step 4: Simplify right side
    255,196.38x = 52,041,095,392.08
  5. Step 5: Solve for x
    x = 52,041,095,392.08/255,196.38
  6. Step 6: Final answer
    x = 203,925.68

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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.