Home / 108,168.36-162,252.66-28,206.25

Finding the Fourth Proportional to 108,168.36, 162,252.66 and 28,206.25

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Solution

The fourth proportional to 108,168.36, 162,252.66 and 28,206.25 is: 42,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,168.36 : 162,252.66 = 28,206.25 : x
  2. Step 2: Convert to fraction form
    108,168.36/162,252.66 = 28,206.25/x
  3. Step 3: Cross multiply
    108,168.36x = 162,252.66 × 28,206.25
  4. Step 4: Simplify right side
    108,168.36x = 4,576,538,950.09
  5. Step 5: Solve for x
    x = 4,576,538,950.09/108,168.36
  6. Step 6: Final answer
    x = 42,309.41

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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.