Home / 251,648.37-347,272.09-142,772.85

Finding the Fourth Proportional to 251,648.37, 347,272.09 and 142,772.85

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Solution

The fourth proportional to 251,648.37, 347,272.09 and 142,772.85 is: 197,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,648.37 : 347,272.09 = 142,772.85 : x
  2. Step 2: Convert to fraction form
    251,648.37/347,272.09 = 142,772.85/x
  3. Step 3: Cross multiply
    251,648.37x = 347,272.09 × 142,772.85
  4. Step 4: Simplify right side
    251,648.37x = 49,581,026,014.76
  5. Step 5: Solve for x
    x = 49,581,026,014.76/251,648.37
  6. Step 6: Final answer
    x = 197,025.02

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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.