Home / 213,927.30-295,126.97-128,997.18

Finding the Fourth Proportional to 213,927.30, 295,126.97 and 128,997.18

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Solution

The fourth proportional to 213,927.30, 295,126.97 and 128,997.18 is: 177,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,927.30 : 295,126.97 = 128,997.18 : x
  2. Step 2: Convert to fraction form
    213,927.30/295,126.97 = 128,997.18/x
  3. Step 3: Cross multiply
    213,927.30x = 295,126.97 × 128,997.18
  4. Step 4: Simplify right side
    213,927.30x = 38,070,546,226.96
  5. Step 5: Solve for x
    x = 38,070,546,226.96/213,927.30
  6. Step 6: Final answer
    x = 177,960.21

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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.