Home / 141,790.21-213,075.87-75,280.12

Finding the Fourth Proportional to 141,790.21, 213,075.87 and 75,280.12

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Solution

The fourth proportional to 141,790.21, 213,075.87 and 75,280.12 is: 113,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,790.21 : 213,075.87 = 75,280.12 : x
  2. Step 2: Convert to fraction form
    141,790.21/213,075.87 = 75,280.12/x
  3. Step 3: Cross multiply
    141,790.21x = 213,075.87 × 75,280.12
  4. Step 4: Simplify right side
    141,790.21x = 16,040,377,062.70
  5. Step 5: Solve for x
    x = 16,040,377,062.70/141,790.21
  6. Step 6: Final answer
    x = 113,127.54

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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.