Home / 203,046.02-280,205.73-112,403.50

Finding the Fourth Proportional to 203,046.02, 280,205.73 and 112,403.50

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Solution

The fourth proportional to 203,046.02, 280,205.73 and 112,403.50 is: 155,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,046.02 : 280,205.73 = 112,403.50 : x
  2. Step 2: Convert to fraction form
    203,046.02/280,205.73 = 112,403.50/x
  3. Step 3: Cross multiply
    203,046.02x = 280,205.73 × 112,403.50
  4. Step 4: Simplify right side
    203,046.02x = 31,496,104,491.05
  5. Step 5: Solve for x
    x = 31,496,104,491.05/203,046.02
  6. Step 6: Final answer
    x = 155,118.06

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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.