Home / 185,730.31-278,322.30-109,750.73

Finding the Fourth Proportional to 185,730.31, 278,322.30 and 109,750.73

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Solution

The fourth proportional to 185,730.31, 278,322.30 and 109,750.73 is: 164,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,730.31 : 278,322.30 = 109,750.73 : x
  2. Step 2: Convert to fraction form
    185,730.31/278,322.30 = 109,750.73/x
  3. Step 3: Cross multiply
    185,730.31x = 278,322.30 × 109,750.73
  4. Step 4: Simplify right side
    185,730.31x = 30,546,075,600.28
  5. Step 5: Solve for x
    x = 30,546,075,600.28/185,730.31
  6. Step 6: Final answer
    x = 164,464.68

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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.