Home / 286,126.74-429,190.15-108,633.85

Finding the Fourth Proportional to 286,126.74, 429,190.15 and 108,633.85

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Solution

The fourth proportional to 286,126.74, 429,190.15 and 108,633.85 is: 162,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,126.74 : 429,190.15 = 108,633.85 : x
  2. Step 2: Convert to fraction form
    286,126.74/429,190.15 = 108,633.85/x
  3. Step 3: Cross multiply
    286,126.74x = 429,190.15 × 108,633.85
  4. Step 4: Simplify right side
    286,126.74x = 46,624,578,376.58
  5. Step 5: Solve for x
    x = 46,624,578,376.58/286,126.74
  6. Step 6: Final answer
    x = 162,950.79

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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.