Home / 161,261.63-222,571.90-106,814.45

Finding the Fourth Proportional to 161,261.63, 222,571.90 and 106,814.45

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Solution

The fourth proportional to 161,261.63, 222,571.90 and 106,814.45 is: 147,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,261.63 : 222,571.90 = 106,814.45 : x
  2. Step 2: Convert to fraction form
    161,261.63/222,571.90 = 106,814.45/x
  3. Step 3: Cross multiply
    161,261.63x = 222,571.90 × 106,814.45
  4. Step 4: Simplify right side
    161,261.63x = 23,773,894,521.94
  5. Step 5: Solve for x
    x = 23,773,894,521.94/161,261.63
  6. Step 6: Final answer
    x = 147,424.37

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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.