Home / 281,923.67-389,077.16-159,441.89

Finding the Fourth Proportional to 281,923.67, 389,077.16 and 159,441.89

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Solution

The fourth proportional to 281,923.67, 389,077.16 and 159,441.89 is: 220,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,923.67 : 389,077.16 = 159,441.89 : x
  2. Step 2: Convert to fraction form
    281,923.67/389,077.16 = 159,441.89/x
  3. Step 3: Cross multiply
    281,923.67x = 389,077.16 × 159,441.89
  4. Step 4: Simplify right side
    281,923.67x = 62,035,195,003.64
  5. Step 5: Solve for x
    x = 62,035,195,003.64/281,923.67
  6. Step 6: Final answer
    x = 220,042.52

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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.