Home / 252,110.70-347,911.02-138,933.42

Finding the Fourth Proportional to 252,110.70, 347,911.02 and 138,933.42

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Solution

The fourth proportional to 252,110.70, 347,911.02 and 138,933.42 is: 191,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,110.70 : 347,911.02 = 138,933.42 : x
  2. Step 2: Convert to fraction form
    252,110.70/347,911.02 = 138,933.42/x
  3. Step 3: Cross multiply
    252,110.70x = 347,911.02 × 138,933.42
  4. Step 4: Simplify right side
    252,110.70x = 48,336,467,864.29
  5. Step 5: Solve for x
    x = 48,336,467,864.29/252,110.70
  6. Step 6: Final answer
    x = 191,727.16

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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.