Home / 250,971.91-346,405.20-143,575.63

Finding the Fourth Proportional to 250,971.91, 346,405.20 and 143,575.63

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Solution

The fourth proportional to 250,971.91, 346,405.20 and 143,575.63 is: 198,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,971.91 : 346,405.20 = 143,575.63 : x
  2. Step 2: Convert to fraction form
    250,971.91/346,405.20 = 143,575.63/x
  3. Step 3: Cross multiply
    250,971.91x = 346,405.20 × 143,575.63
  4. Step 4: Simplify right side
    250,971.91x = 49,735,344,825.28
  5. Step 5: Solve for x
    x = 49,735,344,825.28/250,971.91
  6. Step 6: Final answer
    x = 198,170.96

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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.