Home / 135,864.58-203,832.10-51,626.20

Finding the Fourth Proportional to 135,864.58, 203,832.10 and 51,626.20

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Solution

The fourth proportional to 135,864.58, 203,832.10 and 51,626.20 is: 77,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,864.58 : 203,832.10 = 51,626.20 : x
  2. Step 2: Convert to fraction form
    135,864.58/203,832.10 = 51,626.20/x
  3. Step 3: Cross multiply
    135,864.58x = 203,832.10 × 51,626.20
  4. Step 4: Simplify right side
    135,864.58x = 10,523,075,741.86
  5. Step 5: Solve for x
    x = 10,523,075,741.86/135,864.58
  6. Step 6: Final answer
    x = 77,452.68

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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.