Home / 188,810.26-283,216.13-76,492.60

Finding the Fourth Proportional to 188,810.26, 283,216.13 and 76,492.60

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Solution

The fourth proportional to 188,810.26, 283,216.13 and 76,492.60 is: 114,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,810.26 : 283,216.13 = 76,492.60 : x
  2. Step 2: Convert to fraction form
    188,810.26/283,216.13 = 76,492.60/x
  3. Step 3: Cross multiply
    188,810.26x = 283,216.13 × 76,492.60
  4. Step 4: Simplify right side
    188,810.26x = 21,663,938,145.64
  5. Step 5: Solve for x
    x = 21,663,938,145.64/188,810.26
  6. Step 6: Final answer
    x = 114,739.20

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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.