Home / 144,349.30-199,193.98-79,814.80

Finding the Fourth Proportional to 144,349.30, 199,193.98 and 79,814.80

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Solution

The fourth proportional to 144,349.30, 199,193.98 and 79,814.80 is: 110,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,349.30 : 199,193.98 = 79,814.80 : x
  2. Step 2: Convert to fraction form
    144,349.30/199,193.98 = 79,814.80/x
  3. Step 3: Cross multiply
    144,349.30x = 199,193.98 × 79,814.80
  4. Step 4: Simplify right side
    144,349.30x = 15,898,627,674.90
  5. Step 5: Solve for x
    x = 15,898,627,674.90/144,349.30
  6. Step 6: Final answer
    x = 110,139.97

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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.