Home / 202,836.45-279,895.47-112,190.47

Finding the Fourth Proportional to 202,836.45, 279,895.47 and 112,190.47

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Solution

The fourth proportional to 202,836.45, 279,895.47 and 112,190.47 is: 154,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,836.45 : 279,895.47 = 112,190.47 : x
  2. Step 2: Convert to fraction form
    202,836.45/279,895.47 = 112,190.47/x
  3. Step 3: Cross multiply
    202,836.45x = 279,895.47 × 112,190.47
  4. Step 4: Simplify right side
    202,836.45x = 31,401,603,209.72
  5. Step 5: Solve for x
    x = 31,401,603,209.72/202,836.45
  6. Step 6: Final answer
    x = 154,812.42

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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.