Home / 210,193.10-290,064.09-114,701.42

Finding the Fourth Proportional to 210,193.10, 290,064.09 and 114,701.42

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Solution

The fourth proportional to 210,193.10, 290,064.09 and 114,701.42 is: 158,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,193.10 : 290,064.09 = 114,701.42 : x
  2. Step 2: Convert to fraction form
    210,193.10/290,064.09 = 114,701.42/x
  3. Step 3: Cross multiply
    210,193.10x = 290,064.09 × 114,701.42
  4. Step 4: Simplify right side
    210,193.10x = 33,270,763,014.01
  5. Step 5: Solve for x
    x = 33,270,763,014.01/210,193.10
  6. Step 6: Final answer
    x = 158,286.66

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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.