Home / 286,127.24-429,190.90-108,634.35

Finding the Fourth Proportional to 286,127.24, 429,190.90 and 108,634.35

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Solution

The fourth proportional to 286,127.24, 429,190.90 and 108,634.35 is: 162,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,127.24 : 429,190.90 = 108,634.35 : x
  2. Step 2: Convert to fraction form
    286,127.24/429,190.90 = 108,634.35/x
  3. Step 3: Cross multiply
    286,127.24x = 429,190.90 × 108,634.35
  4. Step 4: Simplify right side
    286,127.24x = 46,624,874,447.42
  5. Step 5: Solve for x
    x = 46,624,874,447.42/286,127.24
  6. Step 6: Final answer
    x = 162,951.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.