Home / 104,735.44-144,533.69-56,987.96

Finding the Fourth Proportional to 104,735.44, 144,533.69 and 56,987.96

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Solution

The fourth proportional to 104,735.44, 144,533.69 and 56,987.96 is: 78,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,735.44 : 144,533.69 = 56,987.96 : x
  2. Step 2: Convert to fraction form
    104,735.44/144,533.69 = 56,987.96/x
  3. Step 3: Cross multiply
    104,735.44x = 144,533.69 × 56,987.96
  4. Step 4: Simplify right side
    104,735.44x = 8,236,680,220.77
  5. Step 5: Solve for x
    x = 8,236,680,220.77/104,735.44
  6. Step 6: Final answer
    x = 78,642.73

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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.