Home / 110,238.76-165,226.86-76,777.66

Finding the Fourth Proportional to 110,238.76, 165,226.86 and 76,777.66

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Solution

The fourth proportional to 110,238.76, 165,226.86 and 76,777.66 is: 115,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,238.76 : 165,226.86 = 76,777.66 : x
  2. Step 2: Convert to fraction form
    110,238.76/165,226.86 = 76,777.66/x
  3. Step 3: Cross multiply
    110,238.76x = 165,226.86 × 76,777.66
  4. Step 4: Simplify right side
    110,238.76x = 12,685,731,679.95
  5. Step 5: Solve for x
    x = 12,685,731,679.95/110,238.76
  6. Step 6: Final answer
    x = 115,075.06

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1.5x scale

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.