Home / 108,218.94-149,339.27-60,472.68

Finding the Fourth Proportional to 108,218.94, 149,339.27 and 60,472.68

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Solution

The fourth proportional to 108,218.94, 149,339.27 and 60,472.68 is: 83,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,218.94 : 149,339.27 = 60,472.68 : x
  2. Step 2: Convert to fraction form
    108,218.94/149,339.27 = 60,472.68/x
  3. Step 3: Cross multiply
    108,218.94x = 149,339.27 × 60,472.68
  4. Step 4: Simplify right side
    108,218.94x = 9,030,945,583.78
  5. Step 5: Solve for x
    x = 9,030,945,583.78/108,218.94
  6. Step 6: Final answer
    x = 83,450.69

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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.