Home / 199,006.72-298,465.80-120,012.24

Finding the Fourth Proportional to 199,006.72, 298,465.80 and 120,012.24

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Solution

The fourth proportional to 199,006.72, 298,465.80 and 120,012.24 is: 179,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,006.72 : 298,465.80 = 120,012.24 : x
  2. Step 2: Convert to fraction form
    199,006.72/298,465.80 = 120,012.24/x
  3. Step 3: Cross multiply
    199,006.72x = 298,465.80 × 120,012.24
  4. Step 4: Simplify right side
    199,006.72x = 35,819,549,221.39
  5. Step 5: Solve for x
    x = 35,819,549,221.39/199,006.72
  6. Step 6: Final answer
    x = 179,991.66

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1.5x scale

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.