Home / 179,157.96-268,840.78-90,418.40

Finding the Fourth Proportional to 179,157.96, 268,840.78 and 90,418.40

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Solution

The fourth proportional to 179,157.96, 268,840.78 and 90,418.40 is: 135,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,157.96 : 268,840.78 = 90,418.40 : x
  2. Step 2: Convert to fraction form
    179,157.96/268,840.78 = 90,418.40/x
  3. Step 3: Cross multiply
    179,157.96x = 268,840.78 × 90,418.40
  4. Step 4: Simplify right side
    179,157.96x = 24,308,153,182.35
  5. Step 5: Solve for x
    x = 24,308,153,182.35/179,157.96
  6. Step 6: Final answer
    x = 135,680.01

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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.