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Finding the Fourth Proportional to 149,993.46, 224,990.21 and 103,541.58

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Solution

The fourth proportional to 149,993.46, 224,990.21 and 103,541.58 is: 155,312.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,993.46 : 224,990.21 = 103,541.58 : x
  2. Step 2: Convert to fraction form
    149,993.46/224,990.21 = 103,541.58/x
  3. Step 3: Cross multiply
    149,993.46x = 224,990.21 × 103,541.58
  4. Step 4: Simplify right side
    149,993.46x = 23,295,841,310.22
  5. Step 5: Solve for x
    x = 23,295,841,310.22/149,993.46
  6. Step 6: Final answer
    x = 155,312.38

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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.