Home / 129,982.32-195,051.16-119,406.96

Finding the Fourth Proportional to 129,982.32, 195,051.16 and 119,406.96

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Solution

The fourth proportional to 129,982.32, 195,051.16 and 119,406.96 is: 179,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,982.32 : 195,051.16 = 119,406.96 : x
  2. Step 2: Convert to fraction form
    129,982.32/195,051.16 = 119,406.96/x
  3. Step 3: Cross multiply
    129,982.32x = 195,051.16 × 119,406.96
  4. Step 4: Simplify right side
    129,982.32x = 23,290,466,060.07
  5. Step 5: Solve for x
    x = 23,290,466,060.07/129,982.32
  6. Step 6: Final answer
    x = 179,181.80

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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.