Home / 120,919.22-181,378.59-32,172.71

Finding the Fourth Proportional to 120,919.22, 181,378.59 and 32,172.71

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Solution

The fourth proportional to 120,919.22, 181,378.59 and 32,172.71 is: 48,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,919.22 : 181,378.59 = 32,172.71 : x
  2. Step 2: Convert to fraction form
    120,919.22/181,378.59 = 32,172.71/x
  3. Step 3: Cross multiply
    120,919.22x = 181,378.59 × 32,172.71
  4. Step 4: Simplify right side
    120,919.22x = 5,835,440,776.28
  5. Step 5: Solve for x
    x = 5,835,440,776.28/120,919.22
  6. Step 6: Final answer
    x = 48,259.00

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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.