Home / 198,064.56-297,285.48-122,957.40

Finding the Fourth Proportional to 198,064.56, 297,285.48 and 122,957.40

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Solution

The fourth proportional to 198,064.56, 297,285.48 and 122,957.40 is: 184,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,064.56 : 297,285.48 = 122,957.40 : x
  2. Step 2: Convert to fraction form
    198,064.56/297,285.48 = 122,957.40/x
  3. Step 3: Cross multiply
    198,064.56x = 297,285.48 × 122,957.40
  4. Step 4: Simplify right side
    198,064.56x = 36,553,449,678.55
  5. Step 5: Solve for x
    x = 36,553,449,678.55/198,064.56
  6. Step 6: Final answer
    x = 184,553.21

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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.