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Finding the Fourth Proportional to 149,804.55, 224,759.21 and 93,578.72

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Solution

The fourth proportional to 149,804.55, 224,759.21 and 93,578.72 is: 140,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,804.55 : 224,759.21 = 93,578.72 : x
  2. Step 2: Convert to fraction form
    149,804.55/224,759.21 = 93,578.72/x
  3. Step 3: Cross multiply
    149,804.55x = 224,759.21 × 93,578.72
  4. Step 4: Simplify right side
    149,804.55x = 21,032,677,588.32
  5. Step 5: Solve for x
    x = 21,032,677,588.32/149,804.55
  6. Step 6: Final answer
    x = 140,400.79

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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.