Home / 145,698.73-218,583.07-55,739.96

Finding the Fourth Proportional to 145,698.73, 218,583.07 and 55,739.96

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Solution

The fourth proportional to 145,698.73, 218,583.07 and 55,739.96 is: 83,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,698.73 : 218,583.07 = 55,739.96 : x
  2. Step 2: Convert to fraction form
    145,698.73/218,583.07 = 55,739.96/x
  3. Step 3: Cross multiply
    145,698.73x = 218,583.07 × 55,739.96
  4. Step 4: Simplify right side
    145,698.73x = 12,183,810,346.21
  5. Step 5: Solve for x
    x = 12,183,810,346.21/145,698.73
  6. Step 6: Final answer
    x = 83,623.31

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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.