Home / 198,108.06-297,151.75-64,970.79

Finding the Fourth Proportional to 198,108.06, 297,151.75 and 64,970.79

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Solution

The fourth proportional to 198,108.06, 297,151.75 and 64,970.79 is: 97,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,108.06 : 297,151.75 = 64,970.79 : x
  2. Step 2: Convert to fraction form
    198,108.06/297,151.75 = 64,970.79/x
  3. Step 3: Cross multiply
    198,108.06x = 297,151.75 × 64,970.79
  4. Step 4: Simplify right side
    198,108.06x = 19,306,183,947.38
  5. Step 5: Solve for x
    x = 19,306,183,947.38/198,108.06
  6. Step 6: Final answer
    x = 97,452.79

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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.