Home / 187,171.10-280,725.89-67,203.21

Finding the Fourth Proportional to 187,171.10, 280,725.89 and 67,203.21

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Solution

The fourth proportional to 187,171.10, 280,725.89 and 67,203.21 is: 100,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,171.10 : 280,725.89 = 67,203.21 : x
  2. Step 2: Convert to fraction form
    187,171.10/280,725.89 = 67,203.21/x
  3. Step 3: Cross multiply
    187,171.10x = 280,725.89 × 67,203.21
  4. Step 4: Simplify right side
    187,171.10x = 18,865,680,602.09
  5. Step 5: Solve for x
    x = 18,865,680,602.09/187,171.10
  6. Step 6: Final answer
    x = 100,793.77

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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.