Home / 144,334.62-199,182.51-80,671.05

Finding the Fourth Proportional to 144,334.62, 199,182.51 and 80,671.05

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Solution

The fourth proportional to 144,334.62, 199,182.51 and 80,671.05 is: 111,326.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,334.62 : 199,182.51 = 80,671.05 : x
  2. Step 2: Convert to fraction form
    144,334.62/199,182.51 = 80,671.05/x
  3. Step 3: Cross multiply
    144,334.62x = 199,182.51 × 80,671.05
  4. Step 4: Simplify right side
    144,334.62x = 16,068,262,223.34
  5. Step 5: Solve for x
    x = 16,068,262,223.34/144,334.62
  6. Step 6: Final answer
    x = 111,326.46

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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.