Home / 135,699.27-203,549.43-56,758.12

Finding the Fourth Proportional to 135,699.27, 203,549.43 and 56,758.12

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Solution

The fourth proportional to 135,699.27, 203,549.43 and 56,758.12 is: 85,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,699.27 : 203,549.43 = 56,758.12 : x
  2. Step 2: Convert to fraction form
    135,699.27/203,549.43 = 56,758.12/x
  3. Step 3: Cross multiply
    135,699.27x = 203,549.43 × 56,758.12
  4. Step 4: Simplify right side
    135,699.27x = 11,553,082,973.87
  5. Step 5: Solve for x
    x = 11,553,082,973.87/135,699.27
  6. Step 6: Final answer
    x = 85,137.40

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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.