Home / 212,905.73-293,800.02-122,197.85

Finding the Fourth Proportional to 212,905.73, 293,800.02 and 122,197.85

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Solution

The fourth proportional to 212,905.73, 293,800.02 and 122,197.85 is: 168,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,905.73 : 293,800.02 = 122,197.85 : x
  2. Step 2: Convert to fraction form
    212,905.73/293,800.02 = 122,197.85/x
  3. Step 3: Cross multiply
    212,905.73x = 293,800.02 × 122,197.85
  4. Step 4: Simplify right side
    212,905.73x = 35,901,731,508.46
  5. Step 5: Solve for x
    x = 35,901,731,508.46/212,905.73
  6. Step 6: Final answer
    x = 168,627.36

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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.