Home / 205,318.10-308,523.90-110,621.00

Finding the Fourth Proportional to 205,318.10, 308,523.90 and 110,621.00

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Solution

The fourth proportional to 205,318.10, 308,523.90 and 110,621.00 is: 166,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,318.10 : 308,523.90 = 110,621.00 : x
  2. Step 2: Convert to fraction form
    205,318.10/308,523.90 = 110,621.00/x
  3. Step 3: Cross multiply
    205,318.10x = 308,523.90 × 110,621.00
  4. Step 4: Simplify right side
    205,318.10x = 34,129,221,748.83
  5. Step 5: Solve for x
    x = 34,129,221,748.83/205,318.10
  6. Step 6: Final answer
    x = 166,226.08

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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.