Home / 156,321.18-234,503.64-51,119.19

Finding the Fourth Proportional to 156,321.18, 234,503.64 and 51,119.19

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Solution

The fourth proportional to 156,321.18, 234,503.64 and 51,119.19 is: 76,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,321.18 : 234,503.64 = 51,119.19 : x
  2. Step 2: Convert to fraction form
    156,321.18/234,503.64 = 51,119.19/x
  3. Step 3: Cross multiply
    156,321.18x = 234,503.64 × 51,119.19
  4. Step 4: Simplify right side
    156,321.18x = 11,987,636,128.85
  5. Step 5: Solve for x
    x = 11,987,636,128.85/156,321.18
  6. Step 6: Final answer
    x = 76,685.94

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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.