Home / 104,968.13-144,907.73-72,727.19

Finding the Fourth Proportional to 104,968.13, 144,907.73 and 72,727.19

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Solution

The fourth proportional to 104,968.13, 144,907.73 and 72,727.19 is: 100,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,968.13 : 144,907.73 = 72,727.19 : x
  2. Step 2: Convert to fraction form
    104,968.13/144,907.73 = 72,727.19/x
  3. Step 3: Cross multiply
    104,968.13x = 144,907.73 × 72,727.19
  4. Step 4: Simplify right side
    104,968.13x = 10,538,731,740.14
  5. Step 5: Solve for x
    x = 10,538,731,740.14/104,968.13
  6. Step 6: Final answer
    x = 100,399.35

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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.