Home / 122,819.95-184,314.53-42,858.37

Finding the Fourth Proportional to 122,819.95, 184,314.53 and 42,858.37

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Solution

The fourth proportional to 122,819.95, 184,314.53 and 42,858.37 is: 64,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,819.95 : 184,314.53 = 42,858.37 : x
  2. Step 2: Convert to fraction form
    122,819.95/184,314.53 = 42,858.37/x
  3. Step 3: Cross multiply
    122,819.95x = 184,314.53 × 42,858.37
  4. Step 4: Simplify right side
    122,819.95x = 7,899,420,323.12
  5. Step 5: Solve for x
    x = 7,899,420,323.12/122,819.95
  6. Step 6: Final answer
    x = 64,317.08

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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.