Home / 123,801.81-170,846.78-67,211.97

Finding the Fourth Proportional to 123,801.81, 170,846.78 and 67,211.97

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Solution

The fourth proportional to 123,801.81, 170,846.78 and 67,211.97 is: 92,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,801.81 : 170,846.78 = 67,211.97 : x
  2. Step 2: Convert to fraction form
    123,801.81/170,846.78 = 67,211.97/x
  3. Step 3: Cross multiply
    123,801.81x = 170,846.78 × 67,211.97
  4. Step 4: Simplify right side
    123,801.81x = 11,482,948,651.96
  5. Step 5: Solve for x
    x = 11,482,948,651.96/123,801.81
  6. Step 6: Final answer
    x = 92,752.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.