Home / 144,241.36-199,049.18-78,827.60

Finding the Fourth Proportional to 144,241.36, 199,049.18 and 78,827.60

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Solution

The fourth proportional to 144,241.36, 199,049.18 and 78,827.60 is: 108,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,241.36 : 199,049.18 = 78,827.60 : x
  2. Step 2: Convert to fraction form
    144,241.36/199,049.18 = 78,827.60/x
  3. Step 3: Cross multiply
    144,241.36x = 199,049.18 × 78,827.60
  4. Step 4: Simplify right side
    144,241.36x = 15,690,569,141.37
  5. Step 5: Solve for x
    x = 15,690,569,141.37/144,241.36
  6. Step 6: Final answer
    x = 108,779.96

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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.