Home / 185,230.05-255,484.92-120,580.20

Finding the Fourth Proportional to 185,230.05, 255,484.92 and 120,580.20

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Solution

The fourth proportional to 185,230.05, 255,484.92 and 120,580.20 is: 166,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,230.05 : 255,484.92 = 120,580.20 : x
  2. Step 2: Convert to fraction form
    185,230.05/255,484.92 = 120,580.20/x
  3. Step 3: Cross multiply
    185,230.05x = 255,484.92 × 120,580.20
  4. Step 4: Simplify right side
    185,230.05x = 30,806,422,750.58
  5. Step 5: Solve for x
    x = 30,806,422,750.58/185,230.05
  6. Step 6: Final answer
    x = 166,314.39

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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.