Home / 198,631.40-297,558.30-119,510.60

Finding the Fourth Proportional to 198,631.40, 297,558.30 and 119,510.60

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Solution

The fourth proportional to 198,631.40, 297,558.30 and 119,510.60 is: 179,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,631.40 : 297,558.30 = 119,510.60 : x
  2. Step 2: Convert to fraction form
    198,631.40/297,558.30 = 119,510.60/x
  3. Step 3: Cross multiply
    198,631.40x = 297,558.30 × 119,510.60
  4. Step 4: Simplify right side
    198,631.40x = 35,561,370,967.98
  5. Step 5: Solve for x
    x = 35,561,370,967.98/198,631.40
  6. Step 6: Final answer
    x = 179,031.97

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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.