Home / 165,032.80-247,327.46-90,040.58

Finding the Fourth Proportional to 165,032.80, 247,327.46 and 90,040.58

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Solution

The fourth proportional to 165,032.80, 247,327.46 and 90,040.58 is: 134,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,032.80 : 247,327.46 = 90,040.58 : x
  2. Step 2: Convert to fraction form
    165,032.80/247,327.46 = 90,040.58/x
  3. Step 3: Cross multiply
    165,032.80x = 247,327.46 × 90,040.58
  4. Step 4: Simplify right side
    165,032.80x = 22,269,507,948.33
  5. Step 5: Solve for x
    x = 22,269,507,948.33/165,032.80
  6. Step 6: Final answer
    x = 134,939.89

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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.