Home / 144,733.76-199,729.62-80,202.45

Finding the Fourth Proportional to 144,733.76, 199,729.62 and 80,202.45

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Solution

The fourth proportional to 144,733.76, 199,729.62 and 80,202.45 is: 110,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,733.76 : 199,729.62 = 80,202.45 : x
  2. Step 2: Convert to fraction form
    144,733.76/199,729.62 = 80,202.45/x
  3. Step 3: Cross multiply
    144,733.76x = 199,729.62 × 80,202.45
  4. Step 4: Simplify right side
    144,733.76x = 16,018,804,861.57
  5. Step 5: Solve for x
    x = 16,018,804,861.57/144,733.76
  6. Step 6: Final answer
    x = 110,677.74

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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.