Home / 122,856.04-184,160.94-78,532.84

Finding the Fourth Proportional to 122,856.04, 184,160.94 and 78,532.84

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Solution

The fourth proportional to 122,856.04, 184,160.94 and 78,532.84 is: 117,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,856.04 : 184,160.94 = 78,532.84 : x
  2. Step 2: Convert to fraction form
    122,856.04/184,160.94 = 78,532.84/x
  3. Step 3: Cross multiply
    122,856.04x = 184,160.94 × 78,532.84
  4. Step 4: Simplify right side
    122,856.04x = 14,462,681,635.27
  5. Step 5: Solve for x
    x = 14,462,681,635.27/122,856.04
  6. Step 6: Final answer
    x = 117,720.56

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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.