Home / 185,127.89-255,471.36-109,676.39

Finding the Fourth Proportional to 185,127.89, 255,471.36 and 109,676.39

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Solution

The fourth proportional to 185,127.89, 255,471.36 and 109,676.39 is: 151,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,127.89 : 255,471.36 = 109,676.39 : x
  2. Step 2: Convert to fraction form
    185,127.89/255,471.36 = 109,676.39/x
  3. Step 3: Cross multiply
    185,127.89x = 255,471.36 × 109,676.39
  4. Step 4: Simplify right side
    185,127.89x = 28,019,176,513.19
  5. Step 5: Solve for x
    x = 28,019,176,513.19/185,127.89
  6. Step 6: Final answer
    x = 151,350.38

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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.