Home / 210,121.74-289,968.67-114,630.43

Finding the Fourth Proportional to 210,121.74, 289,968.67 and 114,630.43

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Solution

The fourth proportional to 210,121.74, 289,968.67 and 114,630.43 is: 158,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,121.74 : 289,968.67 = 114,630.43 : x
  2. Step 2: Convert to fraction form
    210,121.74/289,968.67 = 114,630.43/x
  3. Step 3: Cross multiply
    210,121.74x = 289,968.67 × 114,630.43
  4. Step 4: Simplify right side
    210,121.74x = 33,239,233,328.63
  5. Step 5: Solve for x
    x = 33,239,233,328.63/210,121.74
  6. Step 6: Final answer
    x = 158,190.36

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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.