Home / 208,231.38-312,271.74-75,075.89

Finding the Fourth Proportional to 208,231.38, 312,271.74 and 75,075.89

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Solution

The fourth proportional to 208,231.38, 312,271.74 and 75,075.89 is: 112,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,231.38 : 312,271.74 = 75,075.89 : x
  2. Step 2: Convert to fraction form
    208,231.38/312,271.74 = 75,075.89/x
  3. Step 3: Cross multiply
    208,231.38x = 312,271.74 × 75,075.89
  4. Step 4: Simplify right side
    208,231.38x = 23,444,077,240.99
  5. Step 5: Solve for x
    x = 23,444,077,240.99/208,231.38
  6. Step 6: Final answer
    x = 112,586.67

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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.