Home / 230,317.43-317,829.83-128,337.62

Finding the Fourth Proportional to 230,317.43, 317,829.83 and 128,337.62

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Solution

The fourth proportional to 230,317.43, 317,829.83 and 128,337.62 is: 177,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,317.43 : 317,829.83 = 128,337.62 : x
  2. Step 2: Convert to fraction form
    230,317.43/317,829.83 = 128,337.62/x
  3. Step 3: Cross multiply
    230,317.43x = 317,829.83 × 128,337.62
  4. Step 4: Simplify right side
    230,317.43x = 40,789,521,716.37
  5. Step 5: Solve for x
    x = 40,789,521,716.37/230,317.43
  6. Step 6: Final answer
    x = 177,101.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.