Home / 250,701.56-345,966.32-135,979.86

Finding the Fourth Proportional to 250,701.56, 345,966.32 and 135,979.86

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Solution

The fourth proportional to 250,701.56, 345,966.32 and 135,979.86 is: 187,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,701.56 : 345,966.32 = 135,979.86 : x
  2. Step 2: Convert to fraction form
    250,701.56/345,966.32 = 135,979.86/x
  3. Step 3: Cross multiply
    250,701.56x = 345,966.32 × 135,979.86
  4. Step 4: Simplify right side
    250,701.56x = 47,044,451,758.32
  5. Step 5: Solve for x
    x = 47,044,451,758.32/250,701.56
  6. Step 6: Final answer
    x = 187,651.21

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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.