Home / 210,231.08-290,119.92-114,740

Finding the Fourth Proportional to 210,231.08, 290,119.92 and 114,740

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Solution

The fourth proportional to 210,231.08, 290,119.92 and 114,740 is: 158,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,231.08 : 290,119.92 = 114,740 : x
  2. Step 2: Convert to fraction form
    210,231.08/290,119.92 = 114,740/x
  3. Step 3: Cross multiply
    210,231.08x = 290,119.92 × 114,740
  4. Step 4: Simplify right side
    210,231.08x = 33,288,359,620.80
  5. Step 5: Solve for x
    x = 33,288,359,620.80/210,231.08
  6. Step 6: Final answer
    x = 158,341.76

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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.