Home / 252,081.56-347,868.05-137,361.20

Finding the Fourth Proportional to 252,081.56, 347,868.05 and 137,361.20

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Solution

The fourth proportional to 252,081.56, 347,868.05 and 137,361.20 is: 189,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,081.56 : 347,868.05 = 137,361.20 : x
  2. Step 2: Convert to fraction form
    252,081.56/347,868.05 = 137,361.20/x
  3. Step 3: Cross multiply
    252,081.56x = 347,868.05 × 137,361.20
  4. Step 4: Simplify right side
    252,081.56x = 47,783,570,363.51
  5. Step 5: Solve for x
    x = 47,783,570,363.51/252,081.56
  6. Step 6: Final answer
    x = 189,556.00

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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.