Home / 142,592.19-213,814.46-76,014.44

Finding the Fourth Proportional to 142,592.19, 213,814.46 and 76,014.44

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Solution

The fourth proportional to 142,592.19, 213,814.46 and 76,014.44 is: 113,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,592.19 : 213,814.46 = 76,014.44 : x
  2. Step 2: Convert to fraction form
    142,592.19/213,814.46 = 76,014.44/x
  3. Step 3: Cross multiply
    142,592.19x = 213,814.46 × 76,014.44
  4. Step 4: Simplify right side
    142,592.19x = 16,252,984,991.66
  5. Step 5: Solve for x
    x = 16,252,984,991.66/142,592.19
  6. Step 6: Final answer
    x = 113,982.29

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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.