Home / 252,011.10-347,771.43-138,837.90

Finding the Fourth Proportional to 252,011.10, 347,771.43 and 138,837.90

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Solution

The fourth proportional to 252,011.10, 347,771.43 and 138,837.90 is: 191,594.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,011.10 : 347,771.43 = 138,837.90 : x
  2. Step 2: Convert to fraction form
    252,011.10/347,771.43 = 138,837.90/x
  3. Step 3: Cross multiply
    252,011.10x = 347,771.43 × 138,837.90
  4. Step 4: Simplify right side
    252,011.10x = 48,283,855,021.20
  5. Step 5: Solve for x
    x = 48,283,855,021.20/252,011.10
  6. Step 6: Final answer
    x = 191,594.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.