Home / 216,345.52-298,557.46-120,855.84

Finding the Fourth Proportional to 216,345.52, 298,557.46 and 120,855.84

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Solution

The fourth proportional to 216,345.52, 298,557.46 and 120,855.84 is: 166,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,345.52 : 298,557.46 = 120,855.84 : x
  2. Step 2: Convert to fraction form
    216,345.52/298,557.46 = 120,855.84/x
  3. Step 3: Cross multiply
    216,345.52x = 298,557.46 × 120,855.84
  4. Step 4: Simplify right side
    216,345.52x = 36,082,412,616.57
  5. Step 5: Solve for x
    x = 36,082,412,616.57/216,345.52
  6. Step 6: Final answer
    x = 166,781.42

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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.