Home / 120,141.24-179,949.36-60,875.16

Finding the Fourth Proportional to 120,141.24, 179,949.36 and 60,875.16

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Solution

The fourth proportional to 120,141.24, 179,949.36 and 60,875.16 is: 91,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,141.24 : 179,949.36 = 60,875.16 : x
  2. Step 2: Convert to fraction form
    120,141.24/179,949.36 = 60,875.16/x
  3. Step 3: Cross multiply
    120,141.24x = 179,949.36 × 60,875.16
  4. Step 4: Simplify right side
    120,141.24x = 10,954,446,081.90
  5. Step 5: Solve for x
    x = 10,954,446,081.90/120,141.24
  6. Step 6: Final answer
    x = 91,179.73

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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.