Home / 194,622.43-291,795.22-74,577.66

Finding the Fourth Proportional to 194,622.43, 291,795.22 and 74,577.66

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Solution

The fourth proportional to 194,622.43, 291,795.22 and 74,577.66 is: 111,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,622.43 : 291,795.22 = 74,577.66 : x
  2. Step 2: Convert to fraction form
    194,622.43/291,795.22 = 74,577.66/x
  3. Step 3: Cross multiply
    194,622.43x = 291,795.22 × 74,577.66
  4. Step 4: Simplify right side
    194,622.43x = 21,761,403,705.78
  5. Step 5: Solve for x
    x = 21,761,403,705.78/194,622.43
  6. Step 6: Final answer
    x = 111,813.44

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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.