Home / 108,644.26-162,878.70-38,485.30

Finding the Fourth Proportional to 108,644.26, 162,878.70 and 38,485.30

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Solution

The fourth proportional to 108,644.26, 162,878.70 and 38,485.30 is: 57,696.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,644.26 : 162,878.70 = 38,485.30 : x
  2. Step 2: Convert to fraction form
    108,644.26/162,878.70 = 38,485.30/x
  3. Step 3: Cross multiply
    108,644.26x = 162,878.70 × 38,485.30
  4. Step 4: Simplify right side
    108,644.26x = 6,268,435,633.11
  5. Step 5: Solve for x
    x = 6,268,435,633.11/108,644.26
  6. Step 6: Final answer
    x = 57,696.89

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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.