Home / 76,109.76-114,136.56-26,175.96

Finding the Fourth Proportional to 76,109.76, 114,136.56 and 26,175.96

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Solution

The fourth proportional to 76,109.76, 114,136.56 and 26,175.96 is: 39,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,109.76 : 114,136.56 = 26,175.96 : x
  2. Step 2: Convert to fraction form
    76,109.76/114,136.56 = 26,175.96/x
  3. Step 3: Cross multiply
    76,109.76x = 114,136.56 × 26,175.96
  4. Step 4: Simplify right side
    76,109.76x = 2,987,634,029.10
  5. Step 5: Solve for x
    x = 2,987,634,029.10/76,109.76
  6. Step 6: Final answer
    x = 39,254.28

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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.