Home / 119,125.74-178,689-40,240.62

Finding the Fourth Proportional to 119,125.74, 178,689 and 40,240.62

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Solution

The fourth proportional to 119,125.74, 178,689 and 40,240.62 is: 60,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,125.74 : 178,689 = 40,240.62 : x
  2. Step 2: Convert to fraction form
    119,125.74/178,689 = 40,240.62/x
  3. Step 3: Cross multiply
    119,125.74x = 178,689 × 40,240.62
  4. Step 4: Simplify right side
    119,125.74x = 7,190,556,147.18
  5. Step 5: Solve for x
    x = 7,190,556,147.18/119,125.74
  6. Step 6: Final answer
    x = 60,361.06

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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.