Home / 210,198.06-315,288.27-97,839.63

Finding the Fourth Proportional to 210,198.06, 315,288.27 and 97,839.63

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Solution

The fourth proportional to 210,198.06, 315,288.27 and 97,839.63 is: 146,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,198.06 : 315,288.27 = 97,839.63 : x
  2. Step 2: Convert to fraction form
    210,198.06/315,288.27 = 97,839.63/x
  3. Step 3: Cross multiply
    210,198.06x = 315,288.27 × 97,839.63
  4. Step 4: Simplify right side
    210,198.06x = 30,847,687,680.14
  5. Step 5: Solve for x
    x = 30,847,687,680.14/210,198.06
  6. Step 6: Final answer
    x = 146,755.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.