Home / 125,475.48-188,163.18-55,305

Finding the Fourth Proportional to 125,475.48, 188,163.18 and 55,305

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Solution

The fourth proportional to 125,475.48, 188,163.18 and 55,305 is: 82,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,475.48 : 188,163.18 = 55,305 : x
  2. Step 2: Convert to fraction form
    125,475.48/188,163.18 = 55,305/x
  3. Step 3: Cross multiply
    125,475.48x = 188,163.18 × 55,305
  4. Step 4: Simplify right side
    125,475.48x = 10,406,364,669.90
  5. Step 5: Solve for x
    x = 10,406,364,669.90/125,475.48
  6. Step 6: Final answer
    x = 82,935.44

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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.