Home / 104,302.09-156,464.07-29,421.64

Finding the Fourth Proportional to 104,302.09, 156,464.07 and 29,421.64

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Solution

The fourth proportional to 104,302.09, 156,464.07 and 29,421.64 is: 44,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,302.09 : 156,464.07 = 29,421.64 : x
  2. Step 2: Convert to fraction form
    104,302.09/156,464.07 = 29,421.64/x
  3. Step 3: Cross multiply
    104,302.09x = 156,464.07 × 29,421.64
  4. Step 4: Simplify right side
    104,302.09x = 4,603,429,540.47
  5. Step 5: Solve for x
    x = 4,603,429,540.47/104,302.09
  6. Step 6: Final answer
    x = 44,135.54

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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.