Home / 144,849.10-199,888.18-80,318.60

Finding the Fourth Proportional to 144,849.10, 199,888.18 and 80,318.60

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Solution

The fourth proportional to 144,849.10, 199,888.18 and 80,318.60 is: 110,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,849.10 : 199,888.18 = 80,318.60 : x
  2. Step 2: Convert to fraction form
    144,849.10/199,888.18 = 80,318.60/x
  3. Step 3: Cross multiply
    144,849.10x = 199,888.18 × 80,318.60
  4. Step 4: Simplify right side
    144,849.10x = 16,054,738,774.15
  5. Step 5: Solve for x
    x = 16,054,738,774.15/144,849.10
  6. Step 6: Final answer
    x = 110,837.68

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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.