Home / 97,146.90-145,692.32-40,999.59

Finding the Fourth Proportional to 97,146.90, 145,692.32 and 40,999.59

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Solution

The fourth proportional to 97,146.90, 145,692.32 and 40,999.59 is: 61,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,146.90 : 145,692.32 = 40,999.59 : x
  2. Step 2: Convert to fraction form
    97,146.90/145,692.32 = 40,999.59/x
  3. Step 3: Cross multiply
    97,146.90x = 145,692.32 × 40,999.59
  4. Step 4: Simplify right side
    97,146.90x = 5,973,325,181.15
  5. Step 5: Solve for x
    x = 5,973,325,181.15/97,146.90
  6. Step 6: Final answer
    x = 61,487.55

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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.