Home / 230,304.34-345,194.45-140,148.21

Finding the Fourth Proportional to 230,304.34, 345,194.45 and 140,148.21

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Solution

The fourth proportional to 230,304.34, 345,194.45 and 140,148.21 is: 210,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,304.34 : 345,194.45 = 140,148.21 : x
  2. Step 2: Convert to fraction form
    230,304.34/345,194.45 = 140,148.21/x
  3. Step 3: Cross multiply
    230,304.34x = 345,194.45 × 140,148.21
  4. Step 4: Simplify right side
    230,304.34x = 48,378,384,269.43
  5. Step 5: Solve for x
    x = 48,378,384,269.43/230,304.34
  6. Step 6: Final answer
    x = 210,062.84

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1.5x scale

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.