Home / 252,325.98-378,147.21-140,000.22

Finding the Fourth Proportional to 252,325.98, 378,147.21 and 140,000.22

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Solution

The fourth proportional to 252,325.98, 378,147.21 and 140,000.22 is: 209,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,325.98 : 378,147.21 = 140,000.22 : x
  2. Step 2: Convert to fraction form
    252,325.98/378,147.21 = 140,000.22/x
  3. Step 3: Cross multiply
    252,325.98x = 378,147.21 × 140,000.22
  4. Step 4: Simplify right side
    252,325.98x = 52,940,692,592.39
  5. Step 5: Solve for x
    x = 52,940,692,592.39/252,325.98
  6. Step 6: Final answer
    x = 209,810.71

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1.5x scale

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.