Home / 203,306.94-280,537.02-112,658.54

Finding the Fourth Proportional to 203,306.94, 280,537.02 and 112,658.54

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Solution

The fourth proportional to 203,306.94, 280,537.02 and 112,658.54 is: 155,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,306.94 : 280,537.02 = 112,658.54 : x
  2. Step 2: Convert to fraction form
    203,306.94/280,537.02 = 112,658.54/x
  3. Step 3: Cross multiply
    203,306.94x = 280,537.02 × 112,658.54
  4. Step 4: Simplify right side
    203,306.94x = 31,604,889,686.47
  5. Step 5: Solve for x
    x = 31,604,889,686.47/203,306.94
  6. Step 6: Final answer
    x = 155,454.06

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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.