Home / 151,231.85-226,987.80-76,404.66

Finding the Fourth Proportional to 151,231.85, 226,987.80 and 76,404.66

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Solution

The fourth proportional to 151,231.85, 226,987.80 and 76,404.66 is: 114,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,231.85 : 226,987.80 = 76,404.66 : x
  2. Step 2: Convert to fraction form
    151,231.85/226,987.80 = 76,404.66/x
  3. Step 3: Cross multiply
    151,231.85x = 226,987.80 × 76,404.66
  4. Step 4: Simplify right side
    151,231.85x = 17,342,925,683.15
  5. Step 5: Solve for x
    x = 17,342,925,683.15/151,231.85
  6. Step 6: Final answer
    x = 114,677.73

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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.