Home / 103,546.22-155,220.90-66,000.89

Finding the Fourth Proportional to 103,546.22, 155,220.90 and 66,000.89

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Solution

The fourth proportional to 103,546.22, 155,220.90 and 66,000.89 is: 98,938.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,546.22 : 155,220.90 = 66,000.89 : x
  2. Step 2: Convert to fraction form
    103,546.22/155,220.90 = 66,000.89/x
  3. Step 3: Cross multiply
    103,546.22x = 155,220.90 × 66,000.89
  4. Step 4: Simplify right side
    103,546.22x = 10,244,716,770.50
  5. Step 5: Solve for x
    x = 10,244,716,770.50/103,546.22
  6. Step 6: Final answer
    x = 98,938.59

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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.