Home / 175,943.90-263,912.16-42,824.90

Finding the Fourth Proportional to 175,943.90, 263,912.16 and 42,824.90

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Solution

The fourth proportional to 175,943.90, 263,912.16 and 42,824.90 is: 64,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,943.90 : 263,912.16 = 42,824.90 : x
  2. Step 2: Convert to fraction form
    175,943.90/263,912.16 = 42,824.90/x
  3. Step 3: Cross multiply
    175,943.90x = 263,912.16 × 42,824.90
  4. Step 4: Simplify right side
    175,943.90x = 11,302,011,860.78
  5. Step 5: Solve for x
    x = 11,302,011,860.78/175,943.90
  6. Step 6: Final answer
    x = 64,236.45

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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.