Home / 122,783.75-184,246.25-51,700.78

Finding the Fourth Proportional to 122,783.75, 184,246.25 and 51,700.78

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Solution

The fourth proportional to 122,783.75, 184,246.25 and 51,700.78 is: 77,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,783.75 : 184,246.25 = 51,700.78 : x
  2. Step 2: Convert to fraction form
    122,783.75/184,246.25 = 51,700.78/x
  3. Step 3: Cross multiply
    122,783.75x = 184,246.25 × 51,700.78
  4. Step 4: Simplify right side
    122,783.75x = 9,525,674,808.88
  5. Step 5: Solve for x
    x = 9,525,674,808.88/122,783.75
  6. Step 6: Final answer
    x = 77,580.91

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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.