Home / 144,348.12-199,192.30-79,813.60

Finding the Fourth Proportional to 144,348.12, 199,192.30 and 79,813.60

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Solution

The fourth proportional to 144,348.12, 199,192.30 and 79,813.60 is: 110,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,348.12 : 199,192.30 = 79,813.60 : x
  2. Step 2: Convert to fraction form
    144,348.12/199,192.30 = 79,813.60/x
  3. Step 3: Cross multiply
    144,348.12x = 199,192.30 × 79,813.60
  4. Step 4: Simplify right side
    144,348.12x = 15,898,253,160.25
  5. Step 5: Solve for x
    x = 15,898,253,160.25/144,348.12
  6. Step 6: Final answer
    x = 110,138.28

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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.