Home / 108,209.06-149,318.79-60,455.78

Finding the Fourth Proportional to 108,209.06, 149,318.79 and 60,455.78

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Solution

The fourth proportional to 108,209.06, 149,318.79 and 60,455.78 is: 83,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,209.06 : 149,318.79 = 60,455.78 : x
  2. Step 2: Convert to fraction form
    108,209.06/149,318.79 = 60,455.78/x
  3. Step 3: Cross multiply
    108,209.06x = 149,318.79 × 60,455.78
  4. Step 4: Simplify right side
    108,209.06x = 9,027,183,918.11
  5. Step 5: Solve for x
    x = 9,027,183,918.11/108,209.06
  6. Step 6: Final answer
    x = 83,423.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.