Home / 104,619.50-144,444.36-80,377.25

Finding the Fourth Proportional to 104,619.50, 144,444.36 and 80,377.25

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Solution

The fourth proportional to 104,619.50, 144,444.36 and 80,377.25 is: 110,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,619.50 : 144,444.36 = 80,377.25 : x
  2. Step 2: Convert to fraction form
    104,619.50/144,444.36 = 80,377.25/x
  3. Step 3: Cross multiply
    104,619.50x = 144,444.36 × 80,377.25
  4. Step 4: Simplify right side
    104,619.50x = 11,610,040,014.00
  5. Step 5: Solve for x
    x = 11,610,040,014.00/104,619.50
  6. Step 6: Final answer
    x = 110,973.96

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1.5x scale

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.