Home / 161,676.76-223,084.36-90,054.96

Finding the Fourth Proportional to 161,676.76, 223,084.36 and 90,054.96

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Solution

The fourth proportional to 161,676.76, 223,084.36 and 90,054.96 is: 124,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,676.76 : 223,084.36 = 90,054.96 : x
  2. Step 2: Convert to fraction form
    161,676.76/223,084.36 = 90,054.96/x
  3. Step 3: Cross multiply
    161,676.76x = 223,084.36 × 90,054.96
  4. Step 4: Simplify right side
    161,676.76x = 20,089,853,116.43
  5. Step 5: Solve for x
    x = 20,089,853,116.43/161,676.76
  6. Step 6: Final answer
    x = 124,259.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.