Home / 230,134.20-344,759.04-141,128.16

Finding the Fourth Proportional to 230,134.20, 344,759.04 and 141,128.16

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Solution

The fourth proportional to 230,134.20, 344,759.04 and 141,128.16 is: 211,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,134.20 : 344,759.04 = 141,128.16 : x
  2. Step 2: Convert to fraction form
    230,134.20/344,759.04 = 141,128.16/x
  3. Step 3: Cross multiply
    230,134.20x = 344,759.04 × 141,128.16
  4. Step 4: Simplify right side
    230,134.20x = 48,655,208,958.57
  5. Step 5: Solve for x
    x = 48,655,208,958.57/230,134.20
  6. Step 6: Final answer
    x = 211,421.03

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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.