Home / 104,054.33-143,559.83-67,739.20

Finding the Fourth Proportional to 104,054.33, 143,559.83 and 67,739.20

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Solution

The fourth proportional to 104,054.33, 143,559.83 and 67,739.20 is: 93,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,054.33 : 143,559.83 = 67,739.20 : x
  2. Step 2: Convert to fraction form
    104,054.33/143,559.83 = 67,739.20/x
  3. Step 3: Cross multiply
    104,054.33x = 143,559.83 × 67,739.20
  4. Step 4: Simplify right side
    104,054.33x = 9,724,628,036.34
  5. Step 5: Solve for x
    x = 9,724,628,036.34/104,054.33
  6. Step 6: Final answer
    x = 93,457.22

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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.