Home / 113,774.51-170,331.24-66,244.61

Finding the Fourth Proportional to 113,774.51, 170,331.24 and 66,244.61

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Solution

The fourth proportional to 113,774.51, 170,331.24 and 66,244.61 is: 99,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,774.51 : 170,331.24 = 66,244.61 : x
  2. Step 2: Convert to fraction form
    113,774.51/170,331.24 = 66,244.61/x
  3. Step 3: Cross multiply
    113,774.51x = 170,331.24 × 66,244.61
  4. Step 4: Simplify right side
    113,774.51x = 11,283,526,564.62
  5. Step 5: Solve for x
    x = 11,283,526,564.62/113,774.51
  6. Step 6: Final answer
    x = 99,174.47

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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.