Home / 203,464.02-280,783.71-112,823.80

Finding the Fourth Proportional to 203,464.02, 280,783.71 and 112,823.80

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Solution

The fourth proportional to 203,464.02, 280,783.71 and 112,823.80 is: 155,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,464.02 : 280,783.71 = 112,823.80 : x
  2. Step 2: Convert to fraction form
    203,464.02/280,783.71 = 112,823.80/x
  3. Step 3: Cross multiply
    203,464.02x = 280,783.71 × 112,823.80
  4. Step 4: Simplify right side
    203,464.02x = 31,679,085,140.30
  5. Step 5: Solve for x
    x = 31,679,085,140.30/203,464.02
  6. Step 6: Final answer
    x = 155,698.71

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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.