Home / 129,968.28-195,030.18-119,392.92

Finding the Fourth Proportional to 129,968.28, 195,030.18 and 119,392.92

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Solution

The fourth proportional to 129,968.28, 195,030.18 and 119,392.92 is: 179,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,968.28 : 195,030.18 = 119,392.92 : x
  2. Step 2: Convert to fraction form
    129,968.28/195,030.18 = 119,392.92/x
  3. Step 3: Cross multiply
    129,968.28x = 195,030.18 × 119,392.92
  4. Step 4: Simplify right side
    129,968.28x = 23,285,222,678.33
  5. Step 5: Solve for x
    x = 23,285,222,678.33/129,968.28
  6. Step 6: Final answer
    x = 179,160.81

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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.