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Finding the Fourth Proportional to 95,692.21, 143,569.05 and 29,145.22

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Solution

The fourth proportional to 95,692.21, 143,569.05 and 29,145.22 is: 43,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,692.21 : 143,569.05 = 29,145.22 : x
  2. Step 2: Convert to fraction form
    95,692.21/143,569.05 = 29,145.22/x
  3. Step 3: Cross multiply
    95,692.21x = 143,569.05 × 29,145.22
  4. Step 4: Simplify right side
    95,692.21x = 4,184,351,547.44
  5. Step 5: Solve for x
    x = 4,184,351,547.44/95,692.21
  6. Step 6: Final answer
    x = 43,727.19

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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.