Home / 165,635.61-248,321.79-72,075.75

Finding the Fourth Proportional to 165,635.61, 248,321.79 and 72,075.75

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Solution

The fourth proportional to 165,635.61, 248,321.79 and 72,075.75 is: 108,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,635.61 : 248,321.79 = 72,075.75 : x
  2. Step 2: Convert to fraction form
    165,635.61/248,321.79 = 72,075.75/x
  3. Step 3: Cross multiply
    165,635.61x = 248,321.79 × 72,075.75
  4. Step 4: Simplify right side
    165,635.61x = 17,897,979,255.59
  5. Step 5: Solve for x
    x = 17,897,979,255.59/165,635.61
  6. Step 6: Final answer
    x = 108,056.35

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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.