Home / 268,014.72-369,843.55-147,155.23

Finding the Fourth Proportional to 268,014.72, 369,843.55 and 147,155.23

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Solution

The fourth proportional to 268,014.72, 369,843.55 and 147,155.23 is: 203,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,014.72 : 369,843.55 = 147,155.23 : x
  2. Step 2: Convert to fraction form
    268,014.72/369,843.55 = 147,155.23/x
  3. Step 3: Cross multiply
    268,014.72x = 369,843.55 × 147,155.23
  4. Step 4: Simplify right side
    268,014.72x = 54,424,410,815.05
  5. Step 5: Solve for x
    x = 54,424,410,815.05/268,014.72
  6. Step 6: Final answer
    x = 203,065.01

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1.5x scale

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.