Home / 201,379.05-302,075.87-68,272.16

Finding the Fourth Proportional to 201,379.05, 302,075.87 and 68,272.16

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Solution

The fourth proportional to 201,379.05, 302,075.87 and 68,272.16 is: 102,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,379.05 : 302,075.87 = 68,272.16 : x
  2. Step 2: Convert to fraction form
    201,379.05/302,075.87 = 68,272.16/x
  3. Step 3: Cross multiply
    201,379.05x = 302,075.87 × 68,272.16
  4. Step 4: Simplify right side
    201,379.05x = 20,623,370,277.04
  5. Step 5: Solve for x
    x = 20,623,370,277.04/201,379.05
  6. Step 6: Final answer
    x = 102,410.70

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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.