Home / 146,031.21-218,962.96-57,180.69

Finding the Fourth Proportional to 146,031.21, 218,962.96 and 57,180.69

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Solution

The fourth proportional to 146,031.21, 218,962.96 and 57,180.69 is: 85,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,031.21 : 218,962.96 = 57,180.69 : x
  2. Step 2: Convert to fraction form
    146,031.21/218,962.96 = 57,180.69/x
  3. Step 3: Cross multiply
    146,031.21x = 218,962.96 × 57,180.69
  4. Step 4: Simplify right side
    146,031.21x = 12,520,453,137.24
  5. Step 5: Solve for x
    x = 12,520,453,137.24/146,031.21
  6. Step 6: Final answer
    x = 85,738.20

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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.