Home / 100,830.07-151,201.32-30,692.98

Finding the Fourth Proportional to 100,830.07, 151,201.32 and 30,692.98

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Solution

The fourth proportional to 100,830.07, 151,201.32 and 30,692.98 is: 46,026.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,830.07 : 151,201.32 = 30,692.98 : x
  2. Step 2: Convert to fraction form
    100,830.07/151,201.32 = 30,692.98/x
  3. Step 3: Cross multiply
    100,830.07x = 151,201.32 × 30,692.98
  4. Step 4: Simplify right side
    100,830.07x = 4,640,819,090.73
  5. Step 5: Solve for x
    x = 4,640,819,090.73/100,830.07
  6. Step 6: Final answer
    x = 46,026.14

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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.