Home / 201,526.08-278,075.20-120,936

Finding the Fourth Proportional to 201,526.08, 278,075.20 and 120,936

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Solution

The fourth proportional to 201,526.08, 278,075.20 and 120,936 is: 166,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,526.08 : 278,075.20 = 120,936 : x
  2. Step 2: Convert to fraction form
    201,526.08/278,075.20 = 120,936/x
  3. Step 3: Cross multiply
    201,526.08x = 278,075.20 × 120,936
  4. Step 4: Simplify right side
    201,526.08x = 33,629,302,387.20
  5. Step 5: Solve for x
    x = 33,629,302,387.20/201,526.08
  6. Step 6: Final answer
    x = 166,873.20

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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.