Home / 189,649.26-261,715.14-104,766.30

Finding the Fourth Proportional to 189,649.26, 261,715.14 and 104,766.30

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Solution

The fourth proportional to 189,649.26, 261,715.14 and 104,766.30 is: 144,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,649.26 : 261,715.14 = 104,766.30 : x
  2. Step 2: Convert to fraction form
    189,649.26/261,715.14 = 104,766.30/x
  3. Step 3: Cross multiply
    189,649.26x = 261,715.14 × 104,766.30
  4. Step 4: Simplify right side
    189,649.26x = 27,418,926,871.78
  5. Step 5: Solve for x
    x = 27,418,926,871.78/189,649.26
  6. Step 6: Final answer
    x = 144,577.03

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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.