Home / 188,840.28-283,162.80-55,703.54

Finding the Fourth Proportional to 188,840.28, 283,162.80 and 55,703.54

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Solution

The fourth proportional to 188,840.28, 283,162.80 and 55,703.54 is: 83,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,840.28 : 283,162.80 = 55,703.54 : x
  2. Step 2: Convert to fraction form
    188,840.28/283,162.80 = 55,703.54/x
  3. Step 3: Cross multiply
    188,840.28x = 283,162.80 × 55,703.54
  4. Step 4: Simplify right side
    188,840.28x = 15,773,170,356.31
  5. Step 5: Solve for x
    x = 15,773,170,356.31/188,840.28
  6. Step 6: Final answer
    x = 83,526.51

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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.