Home / 192,218.24-288,389.02-92,385.64

Finding the Fourth Proportional to 192,218.24, 288,389.02 and 92,385.64

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Solution

The fourth proportional to 192,218.24, 288,389.02 and 92,385.64 is: 138,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,218.24 : 288,389.02 = 92,385.64 : x
  2. Step 2: Convert to fraction form
    192,218.24/288,389.02 = 92,385.64/x
  3. Step 3: Cross multiply
    192,218.24x = 288,389.02 × 92,385.64
  4. Step 4: Simplify right side
    192,218.24x = 26,643,004,181.67
  5. Step 5: Solve for x
    x = 26,643,004,181.67/192,218.24
  6. Step 6: Final answer
    x = 138,608.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.