Home / 202,311.40-303,467.10-127,187.95

Finding the Fourth Proportional to 202,311.40, 303,467.10 and 127,187.95

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Solution

The fourth proportional to 202,311.40, 303,467.10 and 127,187.95 is: 190,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,311.40 : 303,467.10 = 127,187.95 : x
  2. Step 2: Convert to fraction form
    202,311.40/303,467.10 = 127,187.95/x
  3. Step 3: Cross multiply
    202,311.40x = 303,467.10 × 127,187.95
  4. Step 4: Simplify right side
    202,311.40x = 38,597,358,341.45
  5. Step 5: Solve for x
    x = 38,597,358,341.45/202,311.40
  6. Step 6: Final answer
    x = 190,781.93

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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.