Home / 198,770.51-298,037.21-134,807.45

Finding the Fourth Proportional to 198,770.51, 298,037.21 and 134,807.45

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Solution

The fourth proportional to 198,770.51, 298,037.21 and 134,807.45 is: 202,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,770.51 : 298,037.21 = 134,807.45 : x
  2. Step 2: Convert to fraction form
    198,770.51/298,037.21 = 134,807.45/x
  3. Step 3: Cross multiply
    198,770.51x = 298,037.21 × 134,807.45
  4. Step 4: Simplify right side
    198,770.51x = 40,177,635,611.18
  5. Step 5: Solve for x
    x = 40,177,635,611.18/198,770.51
  6. Step 6: Final answer
    x = 202,130.77

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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.