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Finding the Fourth Proportional to 93,791.69, 140,702.22 and 30,597.21

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Solution

The fourth proportional to 93,791.69, 140,702.22 and 30,597.21 is: 45,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,791.69 : 140,702.22 = 30,597.21 : x
  2. Step 2: Convert to fraction form
    93,791.69/140,702.22 = 30,597.21/x
  3. Step 3: Cross multiply
    93,791.69x = 140,702.22 × 30,597.21
  4. Step 4: Simplify right side
    93,791.69x = 4,305,095,372.81
  5. Step 5: Solve for x
    x = 4,305,095,372.81/93,791.69
  6. Step 6: Final answer
    x = 45,900.61

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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.