Home / 125,968.27-188,697.25-58,405.15

Finding the Fourth Proportional to 125,968.27, 188,697.25 and 58,405.15

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Solution

The fourth proportional to 125,968.27, 188,697.25 and 58,405.15 is: 87,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,968.27 : 188,697.25 = 58,405.15 : x
  2. Step 2: Convert to fraction form
    125,968.27/188,697.25 = 58,405.15/x
  3. Step 3: Cross multiply
    125,968.27x = 188,697.25 × 58,405.15
  4. Step 4: Simplify right side
    125,968.27x = 11,020,891,190.84
  5. Step 5: Solve for x
    x = 11,020,891,190.84/125,968.27
  6. Step 6: Final answer
    x = 87,489.42

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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.