Home / 210,082.84-290,021.34-162,228.76

Finding the Fourth Proportional to 210,082.84, 290,021.34 and 162,228.76

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Solution

The fourth proportional to 210,082.84, 290,021.34 and 162,228.76 is: 223,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,082.84 : 290,021.34 = 162,228.76 : x
  2. Step 2: Convert to fraction form
    210,082.84/290,021.34 = 162,228.76/x
  3. Step 3: Cross multiply
    210,082.84x = 290,021.34 × 162,228.76
  4. Step 4: Simplify right side
    210,082.84x = 47,049,802,361.74
  5. Step 5: Solve for x
    x = 47,049,802,361.74/210,082.84
  6. Step 6: Final answer
    x = 223,958.33

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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.