Home / 210,486.12-290,469.78-114,998.28

Finding the Fourth Proportional to 210,486.12, 290,469.78 and 114,998.28

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Solution

The fourth proportional to 210,486.12, 290,469.78 and 114,998.28 is: 158,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,486.12 : 290,469.78 = 114,998.28 : x
  2. Step 2: Convert to fraction form
    210,486.12/290,469.78 = 114,998.28/x
  3. Step 3: Cross multiply
    210,486.12x = 290,469.78 × 114,998.28
  4. Step 4: Simplify right side
    210,486.12x = 33,403,525,091.98
  5. Step 5: Solve for x
    x = 33,403,525,091.98/210,486.12
  6. Step 6: Final answer
    x = 158,697.04

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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.