Home / 203,542.40-280,922.13-112,927.55

Finding the Fourth Proportional to 203,542.40, 280,922.13 and 112,927.55

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Solution

The fourth proportional to 203,542.40, 280,922.13 and 112,927.55 is: 155,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,542.40 : 280,922.13 = 112,927.55 : x
  2. Step 2: Convert to fraction form
    203,542.40/280,922.13 = 112,927.55/x
  3. Step 3: Cross multiply
    203,542.40x = 280,922.13 × 112,927.55
  4. Step 4: Simplify right side
    203,542.40x = 31,723,847,881.68
  5. Step 5: Solve for x
    x = 31,723,847,881.68/203,542.40
  6. Step 6: Final answer
    x = 155,858.67

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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.