Home / 120,280.92-179,979.39-96,517.32

Finding the Fourth Proportional to 120,280.92, 179,979.39 and 96,517.32

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Solution

The fourth proportional to 120,280.92, 179,979.39 and 96,517.32 is: 144,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,280.92 : 179,979.39 = 96,517.32 : x
  2. Step 2: Convert to fraction form
    120,280.92/179,979.39 = 96,517.32/x
  3. Step 3: Cross multiply
    120,280.92x = 179,979.39 × 96,517.32
  4. Step 4: Simplify right side
    120,280.92x = 17,371,128,378.03
  5. Step 5: Solve for x
    x = 17,371,128,378.03/120,280.92
  6. Step 6: Final answer
    x = 144,421.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.