Home / 122,788.12-184,212.84-42,827.24

Finding the Fourth Proportional to 122,788.12, 184,212.84 and 42,827.24

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Solution

The fourth proportional to 122,788.12, 184,212.84 and 42,827.24 is: 64,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,788.12 : 184,212.84 = 42,827.24 : x
  2. Step 2: Convert to fraction form
    122,788.12/184,212.84 = 42,827.24/x
  3. Step 3: Cross multiply
    122,788.12x = 184,212.84 × 42,827.24
  4. Step 4: Simplify right side
    122,788.12x = 7,889,327,402.01
  5. Step 5: Solve for x
    x = 7,889,327,402.01/122,788.12
  6. Step 6: Final answer
    x = 64,251.55

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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.