Home / 162,076.20-242,822.70-138,748.20

Finding the Fourth Proportional to 162,076.20, 242,822.70 and 138,748.20

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Solution

The fourth proportional to 162,076.20, 242,822.70 and 138,748.20 is: 207,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,076.20 : 242,822.70 = 138,748.20 : x
  2. Step 2: Convert to fraction form
    162,076.20/242,822.70 = 138,748.20/x
  3. Step 3: Cross multiply
    162,076.20x = 242,822.70 × 138,748.20
  4. Step 4: Simplify right side
    162,076.20x = 33,691,212,544.14
  5. Step 5: Solve for x
    x = 33,691,212,544.14/162,076.20
  6. Step 6: Final answer
    x = 207,872.67

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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.