Home / 143,538.44-215,329.54-73,394.06

Finding the Fourth Proportional to 143,538.44, 215,329.54 and 73,394.06

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Solution

The fourth proportional to 143,538.44, 215,329.54 and 73,394.06 is: 110,102.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,538.44 : 215,329.54 = 73,394.06 : x
  2. Step 2: Convert to fraction form
    143,538.44/215,329.54 = 73,394.06/x
  3. Step 3: Cross multiply
    143,538.44x = 215,329.54 × 73,394.06
  4. Step 4: Simplify right side
    143,538.44x = 15,803,909,178.53
  5. Step 5: Solve for x
    x = 15,803,909,178.53/143,538.44
  6. Step 6: Final answer
    x = 110,102.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.