Home / 122,779.82-184,203.76-51,685.32

Finding the Fourth Proportional to 122,779.82, 184,203.76 and 51,685.32

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Solution

The fourth proportional to 122,779.82, 184,203.76 and 51,685.32 is: 77,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,779.82 : 184,203.76 = 51,685.32 : x
  2. Step 2: Convert to fraction form
    122,779.82/184,203.76 = 51,685.32/x
  3. Step 3: Cross multiply
    122,779.82x = 184,203.76 × 51,685.32
  4. Step 4: Simplify right side
    122,779.82x = 9,520,630,280.80
  5. Step 5: Solve for x
    x = 9,520,630,280.80/122,779.82
  6. Step 6: Final answer
    x = 77,542.31

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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.