Home / 124,779.60-172,185.48-68,190.84

Finding the Fourth Proportional to 124,779.60, 172,185.48 and 68,190.84

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Solution

The fourth proportional to 124,779.60, 172,185.48 and 68,190.84 is: 94,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,779.60 : 172,185.48 = 68,190.84 : x
  2. Step 2: Convert to fraction form
    124,779.60/172,185.48 = 68,190.84/x
  3. Step 3: Cross multiply
    124,779.60x = 172,185.48 × 68,190.84
  4. Step 4: Simplify right side
    124,779.60x = 11,741,472,517.00
  5. Step 5: Solve for x
    x = 11,741,472,517.00/124,779.60
  6. Step 6: Final answer
    x = 94,097.69

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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.