Home / 123,560.80-185,339.68-30,067.36

Finding the Fourth Proportional to 123,560.80, 185,339.68 and 30,067.36

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Solution

The fourth proportional to 123,560.80, 185,339.68 and 30,067.36 is: 45,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,560.80 : 185,339.68 = 30,067.36 : x
  2. Step 2: Convert to fraction form
    123,560.80/185,339.68 = 30,067.36/x
  3. Step 3: Cross multiply
    123,560.80x = 185,339.68 × 30,067.36
  4. Step 4: Simplify right side
    123,560.80x = 5,572,674,880.84
  5. Step 5: Solve for x
    x = 5,572,674,880.84/123,560.80
  6. Step 6: Final answer
    x = 45,100.67

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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.