Home / 116,649.24-174,809.76-66,654.42

Finding the Fourth Proportional to 116,649.24, 174,809.76 and 66,654.42

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Solution

The fourth proportional to 116,649.24, 174,809.76 and 66,654.42 is: 99,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,649.24 : 174,809.76 = 66,654.42 : x
  2. Step 2: Convert to fraction form
    116,649.24/174,809.76 = 66,654.42/x
  3. Step 3: Cross multiply
    116,649.24x = 174,809.76 × 66,654.42
  4. Step 4: Simplify right side
    116,649.24x = 11,651,843,163.14
  5. Step 5: Solve for x
    x = 11,651,843,163.14/116,649.24
  6. Step 6: Final answer
    x = 99,887.86

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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.