Home / 130,097.22-179,524.25-79,102.87

Finding the Fourth Proportional to 130,097.22, 179,524.25 and 79,102.87

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Solution

The fourth proportional to 130,097.22, 179,524.25 and 79,102.87 is: 109,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,097.22 : 179,524.25 = 79,102.87 : x
  2. Step 2: Convert to fraction form
    130,097.22/179,524.25 = 79,102.87/x
  3. Step 3: Cross multiply
    130,097.22x = 179,524.25 × 79,102.87
  4. Step 4: Simplify right side
    130,097.22x = 14,200,882,511.98
  5. Step 5: Solve for x
    x = 14,200,882,511.98/130,097.22
  6. Step 6: Final answer
    x = 109,155.93

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1.5x scale

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.