Home / 108,602.46-149,871.20-66,161.00

Finding the Fourth Proportional to 108,602.46, 149,871.20 and 66,161.00

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Solution

The fourth proportional to 108,602.46, 149,871.20 and 66,161.00 is: 91,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,602.46 : 149,871.20 = 66,161.00 : x
  2. Step 2: Convert to fraction form
    108,602.46/149,871.20 = 66,161.00/x
  3. Step 3: Cross multiply
    108,602.46x = 149,871.20 × 66,161.00
  4. Step 4: Simplify right side
    108,602.46x = 9,915,627,383.04
  5. Step 5: Solve for x
    x = 9,915,627,383.04/108,602.46
  6. Step 6: Final answer
    x = 91,302.05

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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.