Home / 285,519.62-428,284.29-108,110.18

Finding the Fourth Proportional to 285,519.62, 428,284.29 and 108,110.18

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Solution

The fourth proportional to 285,519.62, 428,284.29 and 108,110.18 is: 162,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,519.62 : 428,284.29 = 108,110.18 : x
  2. Step 2: Convert to fraction form
    285,519.62/428,284.29 = 108,110.18/x
  3. Step 3: Cross multiply
    285,519.62x = 428,284.29 × 108,110.18
  4. Step 4: Simplify right side
    285,519.62x = 46,301,891,683.07
  5. Step 5: Solve for x
    x = 46,301,891,683.07/285,519.62
  6. Step 6: Final answer
    x = 162,167.11

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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.