Home / 154,135.75-231,203.63-43,327.75

Finding the Fourth Proportional to 154,135.75, 231,203.63 and 43,327.75

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Solution

The fourth proportional to 154,135.75, 231,203.63 and 43,327.75 is: 64,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,135.75 : 231,203.63 = 43,327.75 : x
  2. Step 2: Convert to fraction form
    154,135.75/231,203.63 = 43,327.75/x
  3. Step 3: Cross multiply
    154,135.75x = 231,203.63 × 43,327.75
  4. Step 4: Simplify right side
    154,135.75x = 10,017,533,079.73
  5. Step 5: Solve for x
    x = 10,017,533,079.73/154,135.75
  6. Step 6: Final answer
    x = 64,991.63

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1.5x scale

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.