Home / 144,504.34-199,411.32-80,840.74

Finding the Fourth Proportional to 144,504.34, 199,411.32 and 80,840.74

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Solution

The fourth proportional to 144,504.34, 199,411.32 and 80,840.74 is: 111,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,504.34 : 199,411.32 = 80,840.74 : x
  2. Step 2: Convert to fraction form
    144,504.34/199,411.32 = 80,840.74/x
  3. Step 3: Cross multiply
    144,504.34x = 199,411.32 × 80,840.74
  4. Step 4: Simplify right side
    144,504.34x = 16,120,558,673.18
  5. Step 5: Solve for x
    x = 16,120,558,673.18/144,504.34
  6. Step 6: Final answer
    x = 111,557.61

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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.