Home / 204,050.60-306,075.90-121,106.60

Finding the Fourth Proportional to 204,050.60, 306,075.90 and 121,106.60

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Solution

The fourth proportional to 204,050.60, 306,075.90 and 121,106.60 is: 181,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,050.60 : 306,075.90 = 121,106.60 : x
  2. Step 2: Convert to fraction form
    204,050.60/306,075.90 = 121,106.60/x
  3. Step 3: Cross multiply
    204,050.60x = 306,075.90 × 121,106.60
  4. Step 4: Simplify right side
    204,050.60x = 37,067,811,590.94
  5. Step 5: Solve for x
    x = 37,067,811,590.94/204,050.60
  6. Step 6: Final answer
    x = 181,659.90

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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.