Home / 252,089.61-347,883.03-138,912.36

Finding the Fourth Proportional to 252,089.61, 347,883.03 and 138,912.36

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Solution

The fourth proportional to 252,089.61, 347,883.03 and 138,912.36 is: 191,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,089.61 : 347,883.03 = 138,912.36 : x
  2. Step 2: Convert to fraction form
    252,089.61/347,883.03 = 138,912.36/x
  3. Step 3: Cross multiply
    252,089.61x = 347,883.03 × 138,912.36
  4. Step 4: Simplify right side
    252,089.61x = 48,325,252,701.25
  5. Step 5: Solve for x
    x = 48,325,252,701.25/252,089.61
  6. Step 6: Final answer
    x = 191,698.71

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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.