Home / 252,134.64-347,945.10-138,957.36

Finding the Fourth Proportional to 252,134.64, 347,945.10 and 138,957.36

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Solution

The fourth proportional to 252,134.64, 347,945.10 and 138,957.36 is: 191,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,134.64 : 347,945.10 = 138,957.36 : x
  2. Step 2: Convert to fraction form
    252,134.64/347,945.10 = 138,957.36/x
  3. Step 3: Cross multiply
    252,134.64x = 347,945.10 × 138,957.36
  4. Step 4: Simplify right side
    252,134.64x = 48,349,532,520.94
  5. Step 5: Solve for x
    x = 48,349,532,520.94/252,134.64
  6. Step 6: Final answer
    x = 191,760.77

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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.