Home / 281,094.42-420,965.91-160,786.74

Finding the Fourth Proportional to 281,094.42, 420,965.91 and 160,786.74

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Solution

The fourth proportional to 281,094.42, 420,965.91 and 160,786.74 is: 240,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,094.42 : 420,965.91 = 160,786.74 : x
  2. Step 2: Convert to fraction form
    281,094.42/420,965.91 = 160,786.74/x
  3. Step 3: Cross multiply
    281,094.42x = 420,965.91 × 160,786.74
  4. Step 4: Simplify right side
    281,094.42x = 67,685,736,320.03
  5. Step 5: Solve for x
    x = 67,685,736,320.03/281,094.42
  6. Step 6: Final answer
    x = 240,793.60

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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.