Home / 144,353.22-199,203.93-80,698.50

Finding the Fourth Proportional to 144,353.22, 199,203.93 and 80,698.50

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Solution

The fourth proportional to 144,353.22, 199,203.93 and 80,698.50 is: 111,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,353.22 : 199,203.93 = 80,698.50 : x
  2. Step 2: Convert to fraction form
    144,353.22/199,203.93 = 80,698.50/x
  3. Step 3: Cross multiply
    144,353.22x = 199,203.93 × 80,698.50
  4. Step 4: Simplify right side
    144,353.22x = 16,075,458,345.11
  5. Step 5: Solve for x
    x = 16,075,458,345.11/144,353.22
  6. Step 6: Final answer
    x = 111,361.97

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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.