Home / 135,994.26-203,998.66-42,507.30

Finding the Fourth Proportional to 135,994.26, 203,998.66 and 42,507.30

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Solution

The fourth proportional to 135,994.26, 203,998.66 and 42,507.30 is: 63,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,994.26 : 203,998.66 = 42,507.30 : x
  2. Step 2: Convert to fraction form
    135,994.26/203,998.66 = 42,507.30/x
  3. Step 3: Cross multiply
    135,994.26x = 203,998.66 × 42,507.30
  4. Step 4: Simplify right side
    135,994.26x = 8,671,432,240.22
  5. Step 5: Solve for x
    x = 8,671,432,240.22/135,994.26
  6. Step 6: Final answer
    x = 63,763.22

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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.