Home / 124,779.46-172,195.72-68,190.83

Finding the Fourth Proportional to 124,779.46, 172,195.72 and 68,190.83

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Solution

The fourth proportional to 124,779.46, 172,195.72 and 68,190.83 is: 94,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,779.46 : 172,195.72 = 68,190.83 : x
  2. Step 2: Convert to fraction form
    124,779.46/172,195.72 = 68,190.83/x
  3. Step 3: Cross multiply
    124,779.46x = 172,195.72 × 68,190.83
  4. Step 4: Simplify right side
    124,779.46x = 11,742,169,069.25
  5. Step 5: Solve for x
    x = 11,742,169,069.25/124,779.46
  6. Step 6: Final answer
    x = 94,103.38

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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.