Home / 141,002.80-211,504.20-120,007.60

Finding the Fourth Proportional to 141,002.80, 211,504.20 and 120,007.60

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Solution

The fourth proportional to 141,002.80, 211,504.20 and 120,007.60 is: 180,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,002.80 : 211,504.20 = 120,007.60 : x
  2. Step 2: Convert to fraction form
    141,002.80/211,504.20 = 120,007.60/x
  3. Step 3: Cross multiply
    141,002.80x = 211,504.20 × 120,007.60
  4. Step 4: Simplify right side
    141,002.80x = 25,382,111,431.92
  5. Step 5: Solve for x
    x = 25,382,111,431.92/141,002.80
  6. Step 6: Final answer
    x = 180,011.40

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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.