Home / 198,030.80-297,046.20-144,886.70

Finding the Fourth Proportional to 198,030.80, 297,046.20 and 144,886.70

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Solution

The fourth proportional to 198,030.80, 297,046.20 and 144,886.70 is: 217,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,030.80 : 297,046.20 = 144,886.70 : x
  2. Step 2: Convert to fraction form
    198,030.80/297,046.20 = 144,886.70/x
  3. Step 3: Cross multiply
    198,030.80x = 297,046.20 × 144,886.70
  4. Step 4: Simplify right side
    198,030.80x = 43,038,043,665.54
  5. Step 5: Solve for x
    x = 43,038,043,665.54/198,030.80
  6. Step 6: Final answer
    x = 217,330.05

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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.