Home / 156,401.84-234,579-51,218.48

Finding the Fourth Proportional to 156,401.84, 234,579 and 51,218.48

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Solution

The fourth proportional to 156,401.84, 234,579 and 51,218.48 is: 76,819.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,401.84 : 234,579 = 51,218.48 : x
  2. Step 2: Convert to fraction form
    156,401.84/234,579 = 51,218.48/x
  3. Step 3: Cross multiply
    156,401.84x = 234,579 × 51,218.48
  4. Step 4: Simplify right side
    156,401.84x = 12,014,779,819.92
  5. Step 5: Solve for x
    x = 12,014,779,819.92/156,401.84
  6. Step 6: Final answer
    x = 76,819.94

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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.