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Finding the Fourth Proportional to 108,004.40, 162,006.60 and 60,765.20

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Solution

The fourth proportional to 108,004.40, 162,006.60 and 60,765.20 is: 91,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,004.40 : 162,006.60 = 60,765.20 : x
  2. Step 2: Convert to fraction form
    108,004.40/162,006.60 = 60,765.20/x
  3. Step 3: Cross multiply
    108,004.40x = 162,006.60 × 60,765.20
  4. Step 4: Simplify right side
    108,004.40x = 9,844,363,450.32
  5. Step 5: Solve for x
    x = 9,844,363,450.32/108,004.40
  6. Step 6: Final answer
    x = 91,147.80

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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.