Home / 108,051.30-162,004.05-57,458.70

Finding the Fourth Proportional to 108,051.30, 162,004.05 and 57,458.70

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Solution

The fourth proportional to 108,051.30, 162,004.05 and 57,458.70 is: 86,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,051.30 : 162,004.05 = 57,458.70 : x
  2. Step 2: Convert to fraction form
    108,051.30/162,004.05 = 57,458.70/x
  3. Step 3: Cross multiply
    108,051.30x = 162,004.05 × 57,458.70
  4. Step 4: Simplify right side
    108,051.30x = 9,308,542,107.74
  5. Step 5: Solve for x
    x = 9,308,542,107.74/108,051.30
  6. Step 6: Final answer
    x = 86,149.28

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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.