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Finding the Fourth Proportional to 182,321, 251,615.60 and 101,764.20

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Solution

The fourth proportional to 182,321, 251,615.60 and 101,764.20 is: 140,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,321 : 251,615.60 = 101,764.20 : x
  2. Step 2: Convert to fraction form
    182,321/251,615.60 = 101,764.20/x
  3. Step 3: Cross multiply
    182,321x = 251,615.60 × 101,764.20
  4. Step 4: Simplify right side
    182,321x = 25,605,460,241.52
  5. Step 5: Solve for x
    x = 25,605,460,241.52/182,321
  6. Step 6: Final answer
    x = 140,441.64

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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.