Home / 231,048.20-346,313.10-97,905.80

Finding the Fourth Proportional to 231,048.20, 346,313.10 and 97,905.80

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Solution

The fourth proportional to 231,048.20, 346,313.10 and 97,905.80 is: 146,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,048.20 : 346,313.10 = 97,905.80 : x
  2. Step 2: Convert to fraction form
    231,048.20/346,313.10 = 97,905.80/x
  3. Step 3: Cross multiply
    231,048.20x = 346,313.10 × 97,905.80
  4. Step 4: Simplify right side
    231,048.20x = 33,906,061,105.98
  5. Step 5: Solve for x
    x = 33,906,061,105.98/231,048.20
  6. Step 6: Final answer
    x = 146,748.86

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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.