Home / 251,749.44-347,416.56-138,573

Finding the Fourth Proportional to 251,749.44, 347,416.56 and 138,573

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Solution

The fourth proportional to 251,749.44, 347,416.56 and 138,573 is: 191,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,749.44 : 347,416.56 = 138,573 : x
  2. Step 2: Convert to fraction form
    251,749.44/347,416.56 = 138,573/x
  3. Step 3: Cross multiply
    251,749.44x = 347,416.56 × 138,573
  4. Step 4: Simplify right side
    251,749.44x = 48,142,554,968.88
  5. Step 5: Solve for x
    x = 48,142,554,968.88/251,749.44
  6. Step 6: Final answer
    x = 191,232.02

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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.