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Finding the Fourth Proportional to 175,751.68, 263,014.88 and 143,792.32

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Solution

The fourth proportional to 175,751.68, 263,014.88 and 143,792.32 is: 215,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,751.68 : 263,014.88 = 143,792.32 : x
  2. Step 2: Convert to fraction form
    175,751.68/263,014.88 = 143,792.32/x
  3. Step 3: Cross multiply
    175,751.68x = 263,014.88 × 143,792.32
  4. Step 4: Simplify right side
    175,751.68x = 37,819,519,789.72
  5. Step 5: Solve for x
    x = 37,819,519,789.72/175,751.68
  6. Step 6: Final answer
    x = 215,187.24

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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.