Home / 210,311.14-290,233.56-114,818.20

Finding the Fourth Proportional to 210,311.14, 290,233.56 and 114,818.20

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Solution

The fourth proportional to 210,311.14, 290,233.56 and 114,818.20 is: 158,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,311.14 : 290,233.56 = 114,818.20 : x
  2. Step 2: Convert to fraction form
    210,311.14/290,233.56 = 114,818.20/x
  3. Step 3: Cross multiply
    210,311.14x = 290,233.56 × 114,818.20
  4. Step 4: Simplify right side
    210,311.14x = 33,324,094,938.79
  5. Step 5: Solve for x
    x = 33,324,094,938.79/210,311.14
  6. Step 6: Final answer
    x = 158,451.40

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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.