Home / 252,100.72-347,883.20-144,679.60

Finding the Fourth Proportional to 252,100.72, 347,883.20 and 144,679.60

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Solution

The fourth proportional to 252,100.72, 347,883.20 and 144,679.60 is: 199,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,100.72 : 347,883.20 = 144,679.60 : x
  2. Step 2: Convert to fraction form
    252,100.72/347,883.20 = 144,679.60/x
  3. Step 3: Cross multiply
    252,100.72x = 347,883.20 × 144,679.60
  4. Step 4: Simplify right side
    252,100.72x = 50,331,602,222.72
  5. Step 5: Solve for x
    x = 50,331,602,222.72/252,100.72
  6. Step 6: Final answer
    x = 199,648.78

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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.