Home / 212,908.27-293,800.02-122,200.42

Finding the Fourth Proportional to 212,908.27, 293,800.02 and 122,200.42

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Solution

The fourth proportional to 212,908.27, 293,800.02 and 122,200.42 is: 168,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,908.27 : 293,800.02 = 122,200.42 : x
  2. Step 2: Convert to fraction form
    212,908.27/293,800.02 = 122,200.42/x
  3. Step 3: Cross multiply
    212,908.27x = 293,800.02 × 122,200.42
  4. Step 4: Simplify right side
    212,908.27x = 35,902,485,840.01
  5. Step 5: Solve for x
    x = 35,902,485,840.01/212,908.27
  6. Step 6: Final answer
    x = 168,628.89

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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.