Home / 130,098.22-179,525.63-79,103.87

Finding the Fourth Proportional to 130,098.22, 179,525.63 and 79,103.87

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Solution

The fourth proportional to 130,098.22, 179,525.63 and 79,103.87 is: 109,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,098.22 : 179,525.63 = 79,103.87 : x
  2. Step 2: Convert to fraction form
    130,098.22/179,525.63 = 79,103.87/x
  3. Step 3: Cross multiply
    130,098.22x = 179,525.63 × 79,103.87
  4. Step 4: Simplify right side
    130,098.22x = 14,201,172,097.19
  5. Step 5: Solve for x
    x = 14,201,172,097.19/130,098.22
  6. Step 6: Final answer
    x = 109,157.31

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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.