Home / 142,147.84-213,195.96-36,960.28

Finding the Fourth Proportional to 142,147.84, 213,195.96 and 36,960.28

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Solution

The fourth proportional to 142,147.84, 213,195.96 and 36,960.28 is: 55,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,147.84 : 213,195.96 = 36,960.28 : x
  2. Step 2: Convert to fraction form
    142,147.84/213,195.96 = 36,960.28/x
  3. Step 3: Cross multiply
    142,147.84x = 213,195.96 × 36,960.28
  4. Step 4: Simplify right side
    142,147.84x = 7,879,782,376.47
  5. Step 5: Solve for x
    x = 7,879,782,376.47/142,147.84
  6. Step 6: Final answer
    x = 55,433.71

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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.