Home / 281,052.55-387,842.78-160,232.75

Finding the Fourth Proportional to 281,052.55, 387,842.78 and 160,232.75

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Solution

The fourth proportional to 281,052.55, 387,842.78 and 160,232.75 is: 221,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,052.55 : 387,842.78 = 160,232.75 : x
  2. Step 2: Convert to fraction form
    281,052.55/387,842.78 = 160,232.75/x
  3. Step 3: Cross multiply
    281,052.55x = 387,842.78 × 160,232.75
  4. Step 4: Simplify right side
    281,052.55x = 62,145,115,122.82
  5. Step 5: Solve for x
    x = 62,145,115,122.82/281,052.55
  6. Step 6: Final answer
    x = 221,115.64

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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.