Home / 144,374.07-199,237.55-79,839.98

Finding the Fourth Proportional to 144,374.07, 199,237.55 and 79,839.98

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Solution

The fourth proportional to 144,374.07, 199,237.55 and 79,839.98 is: 110,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,374.07 : 199,237.55 = 79,839.98 : x
  2. Step 2: Convert to fraction form
    144,374.07/199,237.55 = 79,839.98/x
  3. Step 3: Cross multiply
    144,374.07x = 199,237.55 × 79,839.98
  4. Step 4: Simplify right side
    144,374.07x = 15,907,120,611.86
  5. Step 5: Solve for x
    x = 15,907,120,611.86/144,374.07
  6. Step 6: Final answer
    x = 110,179.90

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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.