Home / 210,581.08-290,620.62-119,917.24

Finding the Fourth Proportional to 210,581.08, 290,620.62 and 119,917.24

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Solution

The fourth proportional to 210,581.08, 290,620.62 and 119,917.24 is: 165,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,581.08 : 290,620.62 = 119,917.24 : x
  2. Step 2: Convert to fraction form
    210,581.08/290,620.62 = 119,917.24/x
  3. Step 3: Cross multiply
    210,581.08x = 290,620.62 × 119,917.24
  4. Step 4: Simplify right side
    210,581.08x = 34,850,422,637.49
  5. Step 5: Solve for x
    x = 34,850,422,637.49/210,581.08
  6. Step 6: Final answer
    x = 165,496.46

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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.