Home / 230,304.84-345,195.20-140,148.71

Finding the Fourth Proportional to 230,304.84, 345,195.20 and 140,148.71

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Solution

The fourth proportional to 230,304.84, 345,195.20 and 140,148.71 is: 210,063.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,304.84 : 345,195.20 = 140,148.71 : x
  2. Step 2: Convert to fraction form
    230,304.84/345,195.20 = 140,148.71/x
  3. Step 3: Cross multiply
    230,304.84x = 345,195.20 × 140,148.71
  4. Step 4: Simplify right side
    230,304.84x = 48,378,661,978.19
  5. Step 5: Solve for x
    x = 48,378,661,978.19/230,304.84
  6. Step 6: Final answer
    x = 210,063.59

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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.