Home / 174,039.63-261,133.88-72,861.32

Finding the Fourth Proportional to 174,039.63, 261,133.88 and 72,861.32

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Solution

The fourth proportional to 174,039.63, 261,133.88 and 72,861.32 is: 109,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,039.63 : 261,133.88 = 72,861.32 : x
  2. Step 2: Convert to fraction form
    174,039.63/261,133.88 = 72,861.32/x
  3. Step 3: Cross multiply
    174,039.63x = 261,133.88 × 72,861.32
  4. Step 4: Simplify right side
    174,039.63x = 19,026,560,173.66
  5. Step 5: Solve for x
    x = 19,026,560,173.66/174,039.63
  6. Step 6: Final answer
    x = 109,323.15

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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.