Home / 149,143.33-223,582.35-54,355.69

Finding the Fourth Proportional to 149,143.33, 223,582.35 and 54,355.69

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Solution

The fourth proportional to 149,143.33, 223,582.35 and 54,355.69 is: 81,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,143.33 : 223,582.35 = 54,355.69 : x
  2. Step 2: Convert to fraction form
    149,143.33/223,582.35 = 54,355.69/x
  3. Step 3: Cross multiply
    149,143.33x = 223,582.35 × 54,355.69
  4. Step 4: Simplify right side
    149,143.33x = 12,152,972,906.07
  5. Step 5: Solve for x
    x = 12,152,972,906.07/149,143.33
  6. Step 6: Final answer
    x = 81,485.19

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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.