Home / 108,135.80-162,190.70-29,256.18

Finding the Fourth Proportional to 108,135.80, 162,190.70 and 29,256.18

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Solution

The fourth proportional to 108,135.80, 162,190.70 and 29,256.18 is: 43,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,135.80 : 162,190.70 = 29,256.18 : x
  2. Step 2: Convert to fraction form
    108,135.80/162,190.70 = 29,256.18/x
  3. Step 3: Cross multiply
    108,135.80x = 162,190.70 × 29,256.18
  4. Step 4: Simplify right side
    108,135.80x = 4,745,080,313.53
  5. Step 5: Solve for x
    x = 4,745,080,313.53/108,135.80
  6. Step 6: Final answer
    x = 43,880.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.