Home / 108,140.12-148,149.50-104,097.02

Finding the Fourth Proportional to 108,140.12, 148,149.50 and 104,097.02

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Solution

The fourth proportional to 108,140.12, 148,149.50 and 104,097.02 is: 142,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,140.12 : 148,149.50 = 104,097.02 : x
  2. Step 2: Convert to fraction form
    108,140.12/148,149.50 = 104,097.02/x
  3. Step 3: Cross multiply
    108,140.12x = 148,149.50 × 104,097.02
  4. Step 4: Simplify right side
    108,140.12x = 15,421,920,203.26
  5. Step 5: Solve for x
    x = 15,421,920,203.26/108,140.12
  6. Step 6: Final answer
    x = 142,610.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.