Home / 198,740.61-297,612.38-118,729.23

Finding the Fourth Proportional to 198,740.61, 297,612.38 and 118,729.23

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Solution

The fourth proportional to 198,740.61, 297,612.38 and 118,729.23 is: 177,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,740.61 : 297,612.38 = 118,729.23 : x
  2. Step 2: Convert to fraction form
    198,740.61/297,612.38 = 118,729.23/x
  3. Step 3: Cross multiply
    198,740.61x = 297,612.38 × 118,729.23
  4. Step 4: Simplify right side
    198,740.61x = 35,335,288,715.87
  5. Step 5: Solve for x
    x = 35,335,288,715.87/198,740.61
  6. Step 6: Final answer
    x = 177,796.02

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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.