Home / 122,656.70-184,000.86-38,420.75

Finding the Fourth Proportional to 122,656.70, 184,000.86 and 38,420.75

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Solution

The fourth proportional to 122,656.70, 184,000.86 and 38,420.75 is: 57,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,656.70 : 184,000.86 = 38,420.75 : x
  2. Step 2: Convert to fraction form
    122,656.70/184,000.86 = 38,420.75/x
  3. Step 3: Cross multiply
    122,656.70x = 184,000.86 × 38,420.75
  4. Step 4: Simplify right side
    122,656.70x = 7,069,451,501.85
  5. Step 5: Solve for x
    x = 7,069,451,501.85/122,656.70
  6. Step 6: Final answer
    x = 57,636.08

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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.