Home / 104,149.20-143,726.43-56,402.75

Finding the Fourth Proportional to 104,149.20, 143,726.43 and 56,402.75

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Solution

The fourth proportional to 104,149.20, 143,726.43 and 56,402.75 is: 77,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,149.20 : 143,726.43 = 56,402.75 : x
  2. Step 2: Convert to fraction form
    104,149.20/143,726.43 = 56,402.75/x
  3. Step 3: Cross multiply
    104,149.20x = 143,726.43 × 56,402.75
  4. Step 4: Simplify right side
    104,149.20x = 8,106,565,181.05
  5. Step 5: Solve for x
    x = 8,106,565,181.05/104,149.20
  6. Step 6: Final answer
    x = 77,836.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.