Home / 120,163.52-180,243.32-49,070.54

Finding the Fourth Proportional to 120,163.52, 180,243.32 and 49,070.54

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Solution

The fourth proportional to 120,163.52, 180,243.32 and 49,070.54 is: 73,605.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,163.52 : 180,243.32 = 49,070.54 : x
  2. Step 2: Convert to fraction form
    120,163.52/180,243.32 = 49,070.54/x
  3. Step 3: Cross multiply
    120,163.52x = 180,243.32 × 49,070.54
  4. Step 4: Simplify right side
    120,163.52x = 8,844,635,897.22
  5. Step 5: Solve for x
    x = 8,844,635,897.22/120,163.52
  6. Step 6: Final answer
    x = 73,605.00

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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.