Home / 281,145.36-387,942.28-167,944.08

Finding the Fourth Proportional to 281,145.36, 387,942.28 and 167,944.08

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Solution

The fourth proportional to 281,145.36, 387,942.28 and 167,944.08 is: 231,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,145.36 : 387,942.28 = 167,944.08 : x
  2. Step 2: Convert to fraction form
    281,145.36/387,942.28 = 167,944.08/x
  3. Step 3: Cross multiply
    281,145.36x = 387,942.28 × 167,944.08
  4. Step 4: Simplify right side
    281,145.36x = 65,152,609,307.70
  5. Step 5: Solve for x
    x = 65,152,609,307.70/281,145.36
  6. Step 6: Final answer
    x = 231,739.94

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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.