Home / 210,108.38-289,949.20-114,615.07

Finding the Fourth Proportional to 210,108.38, 289,949.20 and 114,615.07

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Solution

The fourth proportional to 210,108.38, 289,949.20 and 114,615.07 is: 158,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,108.38 : 289,949.20 = 114,615.07 : x
  2. Step 2: Convert to fraction form
    210,108.38/289,949.20 = 114,615.07/x
  3. Step 3: Cross multiply
    210,108.38x = 289,949.20 × 114,615.07
  4. Step 4: Simplify right side
    210,108.38x = 33,232,546,843.03
  5. Step 5: Solve for x
    x = 33,232,546,843.03/210,108.38
  6. Step 6: Final answer
    x = 158,168.60

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1.5x scale

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.