Home / 104,807.60-144,635.15-57,061.44

Finding the Fourth Proportional to 104,807.60, 144,635.15 and 57,061.44

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Solution

The fourth proportional to 104,807.60, 144,635.15 and 57,061.44 is: 78,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,807.60 : 144,635.15 = 57,061.44 : x
  2. Step 2: Convert to fraction form
    104,807.60/144,635.15 = 57,061.44/x
  3. Step 3: Cross multiply
    104,807.60x = 144,635.15 × 57,061.44
  4. Step 4: Simplify right side
    104,807.60x = 8,253,089,933.62
  5. Step 5: Solve for x
    x = 8,253,089,933.62/104,807.60
  6. Step 6: Final answer
    x = 78,745.15

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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.