Home / 197,999.90-296,481.45-145,123.10

Finding the Fourth Proportional to 197,999.90, 296,481.45 and 145,123.10

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Solution

The fourth proportional to 197,999.90, 296,481.45 and 145,123.10 is: 217,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,999.90 : 296,481.45 = 145,123.10 : x
  2. Step 2: Convert to fraction form
    197,999.90/296,481.45 = 145,123.10/x
  3. Step 3: Cross multiply
    197,999.90x = 296,481.45 × 145,123.10
  4. Step 4: Simplify right side
    197,999.90x = 43,026,307,116.50
  5. Step 5: Solve for x
    x = 43,026,307,116.50/197,999.90
  6. Step 6: Final answer
    x = 217,304.69

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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.