Home / 108,274.13-149,419.26-59,879.34

Finding the Fourth Proportional to 108,274.13, 149,419.26 and 59,879.34

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Solution

The fourth proportional to 108,274.13, 149,419.26 and 59,879.34 is: 82,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,274.13 : 149,419.26 = 59,879.34 : x
  2. Step 2: Convert to fraction form
    108,274.13/149,419.26 = 59,879.34/x
  3. Step 3: Cross multiply
    108,274.13x = 149,419.26 × 59,879.34
  4. Step 4: Simplify right side
    108,274.13x = 8,947,126,672.09
  5. Step 5: Solve for x
    x = 8,947,126,672.09/108,274.13
  6. Step 6: Final answer
    x = 82,634.02

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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.