Home / 108,765.09-163,116.07-45,583.56

Finding the Fourth Proportional to 108,765.09, 163,116.07 and 45,583.56

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Solution

The fourth proportional to 108,765.09, 163,116.07 and 45,583.56 is: 68,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,765.09 : 163,116.07 = 45,583.56 : x
  2. Step 2: Convert to fraction form
    108,765.09/163,116.07 = 45,583.56/x
  3. Step 3: Cross multiply
    108,765.09x = 163,116.07 × 45,583.56
  4. Step 4: Simplify right side
    108,765.09x = 7,435,411,163.81
  5. Step 5: Solve for x
    x = 7,435,411,163.81/108,765.09
  6. Step 6: Final answer
    x = 68,362.11

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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.