Home / 144,119.04-215,919.77-87,930.15

Finding the Fourth Proportional to 144,119.04, 215,919.77 and 87,930.15

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Solution

The fourth proportional to 144,119.04, 215,919.77 and 87,930.15 is: 131,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,119.04 : 215,919.77 = 87,930.15 : x
  2. Step 2: Convert to fraction form
    144,119.04/215,919.77 = 87,930.15/x
  3. Step 3: Cross multiply
    144,119.04x = 215,919.77 × 87,930.15
  4. Step 4: Simplify right side
    144,119.04x = 18,985,857,324.41
  5. Step 5: Solve for x
    x = 18,985,857,324.41/144,119.04
  6. Step 6: Final answer
    x = 131,737.33

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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.