Home / 230,138.24-317,628.61-144,129.80

Finding the Fourth Proportional to 230,138.24, 317,628.61 and 144,129.80

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Solution

The fourth proportional to 230,138.24, 317,628.61 and 144,129.80 is: 198,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,138.24 : 317,628.61 = 144,129.80 : x
  2. Step 2: Convert to fraction form
    230,138.24/317,628.61 = 144,129.80/x
  3. Step 3: Cross multiply
    230,138.24x = 317,628.61 × 144,129.80
  4. Step 4: Simplify right side
    230,138.24x = 45,779,748,467.33
  5. Step 5: Solve for x
    x = 45,779,748,467.33/230,138.24
  6. Step 6: Final answer
    x = 198,922.83

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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.