Home / 149,884.47-224,715.51-90,706.10

Finding the Fourth Proportional to 149,884.47, 224,715.51 and 90,706.10

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Solution

The fourth proportional to 149,884.47, 224,715.51 and 90,706.10 is: 135,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,884.47 : 224,715.51 = 90,706.10 : x
  2. Step 2: Convert to fraction form
    149,884.47/224,715.51 = 90,706.10/x
  3. Step 3: Cross multiply
    149,884.47x = 224,715.51 × 90,706.10
  4. Step 4: Simplify right side
    149,884.47x = 20,383,066,398.03
  5. Step 5: Solve for x
    x = 20,383,066,398.03/149,884.47
  6. Step 6: Final answer
    x = 135,991.85

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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.