Home / 135,699.30-203,549.47-56,758.15

Finding the Fourth Proportional to 135,699.30, 203,549.47 and 56,758.15

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Solution

The fourth proportional to 135,699.30, 203,549.47 and 56,758.15 is: 85,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,699.30 : 203,549.47 = 56,758.15 : x
  2. Step 2: Convert to fraction form
    135,699.30/203,549.47 = 56,758.15/x
  3. Step 3: Cross multiply
    135,699.30x = 203,549.47 × 56,758.15
  4. Step 4: Simplify right side
    135,699.30x = 11,553,091,782.49
  5. Step 5: Solve for x
    x = 11,553,091,782.49/135,699.30
  6. Step 6: Final answer
    x = 85,137.45

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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.