Home / 124,779.21-172,195.38-68,190.58

Finding the Fourth Proportional to 124,779.21, 172,195.38 and 68,190.58

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Solution

The fourth proportional to 124,779.21, 172,195.38 and 68,190.58 is: 94,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,779.21 : 172,195.38 = 68,190.58 : x
  2. Step 2: Convert to fraction form
    124,779.21/172,195.38 = 68,190.58/x
  3. Step 3: Cross multiply
    124,779.21x = 172,195.38 × 68,190.58
  4. Step 4: Simplify right side
    124,779.21x = 11,742,102,494.57
  5. Step 5: Solve for x
    x = 11,742,102,494.57/124,779.21
  6. Step 6: Final answer
    x = 94,103.04

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