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Finding the Fourth Proportional to 184,605.86, 254,803.49 and 120,235.50

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Solution

The fourth proportional to 184,605.86, 254,803.49 and 120,235.50 is: 165,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,605.86 : 254,803.49 = 120,235.50 : x
  2. Step 2: Convert to fraction form
    184,605.86/254,803.49 = 120,235.50/x
  3. Step 3: Cross multiply
    184,605.86x = 254,803.49 × 120,235.50
  4. Step 4: Simplify right side
    184,605.86x = 30,636,425,021.90
  5. Step 5: Solve for x
    x = 30,636,425,021.90/184,605.86
  6. Step 6: Final answer
    x = 165,955.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.