Home / 135,444.89-203,128.11-40,671.25

Finding the Fourth Proportional to 135,444.89, 203,128.11 and 40,671.25

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Solution

The fourth proportional to 135,444.89, 203,128.11 and 40,671.25 is: 60,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,444.89 : 203,128.11 = 40,671.25 : x
  2. Step 2: Convert to fraction form
    135,444.89/203,128.11 = 40,671.25/x
  3. Step 3: Cross multiply
    135,444.89x = 203,128.11 × 40,671.25
  4. Step 4: Simplify right side
    135,444.89x = 8,261,473,636.02
  5. Step 5: Solve for x
    x = 8,261,473,636.02/135,444.89
  6. Step 6: Final answer
    x = 60,995.09

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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.