Home / 101,984.28-140,748.30-58,965.60

Finding the Fourth Proportional to 101,984.28, 140,748.30 and 58,965.60

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Solution

The fourth proportional to 101,984.28, 140,748.30 and 58,965.60 is: 81,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,984.28 : 140,748.30 = 58,965.60 : x
  2. Step 2: Convert to fraction form
    101,984.28/140,748.30 = 58,965.60/x
  3. Step 3: Cross multiply
    101,984.28x = 140,748.30 × 58,965.60
  4. Step 4: Simplify right side
    101,984.28x = 8,299,307,958.48
  5. Step 5: Solve for x
    x = 8,299,307,958.48/101,984.28
  6. Step 6: Final answer
    x = 81,378.31

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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.