Home / 129,977.93-179,360.97-75,525.27

Finding the Fourth Proportional to 129,977.93, 179,360.97 and 75,525.27

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Solution

The fourth proportional to 129,977.93, 179,360.97 and 75,525.27 is: 104,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,977.93 : 179,360.97 = 75,525.27 : x
  2. Step 2: Convert to fraction form
    129,977.93/179,360.97 = 75,525.27/x
  3. Step 3: Cross multiply
    129,977.93x = 179,360.97 × 75,525.27
  4. Step 4: Simplify right side
    129,977.93x = 13,546,285,686.71
  5. Step 5: Solve for x
    x = 13,546,285,686.71/129,977.93
  6. Step 6: Final answer
    x = 104,219.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.