Home / 281,055.56-387,846.92-160,235.75

Finding the Fourth Proportional to 281,055.56, 387,846.92 and 160,235.75

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Solution

The fourth proportional to 281,055.56, 387,846.92 and 160,235.75 is: 221,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,055.56 : 387,846.92 = 160,235.75 : x
  2. Step 2: Convert to fraction form
    281,055.56/387,846.92 = 160,235.75/x
  3. Step 3: Cross multiply
    281,055.56x = 387,846.92 × 160,235.75
  4. Step 4: Simplify right side
    281,055.56x = 62,146,939,370.98
  5. Step 5: Solve for x
    x = 62,146,939,370.98/281,055.56
  6. Step 6: Final answer
    x = 221,119.77

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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.