Home / 90,222.22-124,506.94-49,938.78

Finding the Fourth Proportional to 90,222.22, 124,506.94 and 49,938.78

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Solution

The fourth proportional to 90,222.22, 124,506.94 and 49,938.78 is: 68,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222.22 : 124,506.94 = 49,938.78 : x
  2. Step 2: Convert to fraction form
    90,222.22/124,506.94 = 49,938.78/x
  3. Step 3: Cross multiply
    90,222.22x = 124,506.94 × 49,938.78
  4. Step 4: Simplify right side
    90,222.22x = 6,217,724,685.13
  5. Step 5: Solve for x
    x = 6,217,724,685.13/90,222.22
  6. Step 6: Final answer
    x = 68,915.67

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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.