Home / 252,038.42-347,812.83-138,861.17

Finding the Fourth Proportional to 252,038.42, 347,812.83 and 138,861.17

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Solution

The fourth proportional to 252,038.42, 347,812.83 and 138,861.17 is: 191,628.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,038.42 : 347,812.83 = 138,861.17 : x
  2. Step 2: Convert to fraction form
    252,038.42/347,812.83 = 138,861.17/x
  3. Step 3: Cross multiply
    252,038.42x = 347,812.83 × 138,861.17
  4. Step 4: Simplify right side
    252,038.42x = 48,297,694,775.75
  5. Step 5: Solve for x
    x = 48,297,694,775.75/252,038.42
  6. Step 6: Final answer
    x = 191,628.31

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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.