Home / 201,075.08-301,612.38-51,315.36

Finding the Fourth Proportional to 201,075.08, 301,612.38 and 51,315.36

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Solution

The fourth proportional to 201,075.08, 301,612.38 and 51,315.36 is: 76,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,075.08 : 301,612.38 = 51,315.36 : x
  2. Step 2: Convert to fraction form
    201,075.08/301,612.38 = 51,315.36/x
  3. Step 3: Cross multiply
    201,075.08x = 301,612.38 × 51,315.36
  4. Step 4: Simplify right side
    201,075.08x = 15,477,346,536.68
  5. Step 5: Solve for x
    x = 15,477,346,536.68/201,075.08
  6. Step 6: Final answer
    x = 76,972.97

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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.