Home / 110,528.98-165,834.52-76,777.21

Finding the Fourth Proportional to 110,528.98, 165,834.52 and 76,777.21

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Solution

The fourth proportional to 110,528.98, 165,834.52 and 76,777.21 is: 115,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,528.98 : 165,834.52 = 76,777.21 : x
  2. Step 2: Convert to fraction form
    110,528.98/165,834.52 = 76,777.21/x
  3. Step 3: Cross multiply
    110,528.98x = 165,834.52 × 76,777.21
  4. Step 4: Simplify right side
    110,528.98x = 12,732,312,170.74
  5. Step 5: Solve for x
    x = 12,732,312,170.74/110,528.98
  6. Step 6: Final answer
    x = 115,194.33

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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.