Home / 213,981.03-295,298.46-117,189

Finding the Fourth Proportional to 213,981.03, 295,298.46 and 117,189

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Solution

The fourth proportional to 213,981.03, 295,298.46 and 117,189 is: 161,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,981.03 : 295,298.46 = 117,189 : x
  2. Step 2: Convert to fraction form
    213,981.03/295,298.46 = 117,189/x
  3. Step 3: Cross multiply
    213,981.03x = 295,298.46 × 117,189
  4. Step 4: Simplify right side
    213,981.03x = 34,605,731,228.94
  5. Step 5: Solve for x
    x = 34,605,731,228.94/213,981.03
  6. Step 6: Final answer
    x = 161,723.36

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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.