Home / 108,272.07-162,435.78-45,071.18

Finding the Fourth Proportional to 108,272.07, 162,435.78 and 45,071.18

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Solution

The fourth proportional to 108,272.07, 162,435.78 and 45,071.18 is: 67,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,272.07 : 162,435.78 = 45,071.18 : x
  2. Step 2: Convert to fraction form
    108,272.07/162,435.78 = 45,071.18/x
  3. Step 3: Cross multiply
    108,272.07x = 162,435.78 × 45,071.18
  4. Step 4: Simplify right side
    108,272.07x = 7,321,171,241.29
  5. Step 5: Solve for x
    x = 7,321,171,241.29/108,272.07
  6. Step 6: Final answer
    x = 67,618.28

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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.