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Finding the Fourth Proportional to 184,676.13, 254,695.42 and 127,406.80

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Solution

The fourth proportional to 184,676.13, 254,695.42 and 127,406.80 is: 175,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,676.13 : 254,695.42 = 127,406.80 : x
  2. Step 2: Convert to fraction form
    184,676.13/254,695.42 = 127,406.80/x
  3. Step 3: Cross multiply
    184,676.13x = 254,695.42 × 127,406.80
  4. Step 4: Simplify right side
    184,676.13x = 32,449,928,436.86
  5. Step 5: Solve for x
    x = 32,449,928,436.86/184,676.13
  6. Step 6: Final answer
    x = 175,712.63

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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.