Home / 120,078.35-179,974.37-55,950.47

Finding the Fourth Proportional to 120,078.35, 179,974.37 and 55,950.47

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Solution

The fourth proportional to 120,078.35, 179,974.37 and 55,950.47 is: 83,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,078.35 : 179,974.37 = 55,950.47 : x
  2. Step 2: Convert to fraction form
    120,078.35/179,974.37 = 55,950.47/x
  3. Step 3: Cross multiply
    120,078.35x = 179,974.37 × 55,950.47
  4. Step 4: Simplify right side
    120,078.35x = 10,069,649,829.46
  5. Step 5: Solve for x
    x = 10,069,649,829.46/120,078.35
  6. Step 6: Final answer
    x = 83,859.00

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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.