Home / 213,914.24-295,108.96-128,984.12

Finding the Fourth Proportional to 213,914.24, 295,108.96 and 128,984.12

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Solution

The fourth proportional to 213,914.24, 295,108.96 and 128,984.12 is: 177,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,914.24 : 295,108.96 = 128,984.12 : x
  2. Step 2: Convert to fraction form
    213,914.24/295,108.96 = 128,984.12/x
  3. Step 3: Cross multiply
    213,914.24x = 295,108.96 × 128,984.12
  4. Step 4: Simplify right side
    213,914.24x = 38,064,368,771.94
  5. Step 5: Solve for x
    x = 38,064,368,771.94/213,914.24
  6. Step 6: Final answer
    x = 177,942.19

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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.