Home / 192,290.10-288,485.55-73,965.30

Finding the Fourth Proportional to 192,290.10, 288,485.55 and 73,965.30

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Solution

The fourth proportional to 192,290.10, 288,485.55 and 73,965.30 is: 110,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,290.10 : 288,485.55 = 73,965.30 : x
  2. Step 2: Convert to fraction form
    192,290.10/288,485.55 = 73,965.30/x
  3. Step 3: Cross multiply
    192,290.10x = 288,485.55 × 73,965.30
  4. Step 4: Simplify right side
    192,290.10x = 21,337,920,251.42
  5. Step 5: Solve for x
    x = 21,337,920,251.42/192,290.10
  6. Step 6: Final answer
    x = 110,967.34

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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.