Home / 120,137.61-180,232.26-35,904.62

Finding the Fourth Proportional to 120,137.61, 180,232.26 and 35,904.62

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Solution

The fourth proportional to 120,137.61, 180,232.26 and 35,904.62 is: 53,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,137.61 : 180,232.26 = 35,904.62 : x
  2. Step 2: Convert to fraction form
    120,137.61/180,232.26 = 35,904.62/x
  3. Step 3: Cross multiply
    120,137.61x = 180,232.26 × 35,904.62
  4. Step 4: Simplify right side
    120,137.61x = 6,471,170,412.12
  5. Step 5: Solve for x
    x = 6,471,170,412.12/120,137.61
  6. Step 6: Final answer
    x = 53,864.65

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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.