Home / 144,464.78-199,362.66-80,808.50

Finding the Fourth Proportional to 144,464.78, 199,362.66 and 80,808.50

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Solution

The fourth proportional to 144,464.78, 199,362.66 and 80,808.50 is: 111,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,464.78 : 199,362.66 = 80,808.50 : x
  2. Step 2: Convert to fraction form
    144,464.78/199,362.66 = 80,808.50/x
  3. Step 3: Cross multiply
    144,464.78x = 199,362.66 × 80,808.50
  4. Step 4: Simplify right side
    144,464.78x = 16,110,197,510.61
  5. Step 5: Solve for x
    x = 16,110,197,510.61/144,464.78
  6. Step 6: Final answer
    x = 111,516.44

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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.