Home / 150,513.45-207,710.90-82,536.63

Finding the Fourth Proportional to 150,513.45, 207,710.90 and 82,536.63

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Solution

The fourth proportional to 150,513.45, 207,710.90 and 82,536.63 is: 113,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,513.45 : 207,710.90 = 82,536.63 : x
  2. Step 2: Convert to fraction form
    150,513.45/207,710.90 = 82,536.63/x
  3. Step 3: Cross multiply
    150,513.45x = 207,710.90 × 82,536.63
  4. Step 4: Simplify right side
    150,513.45x = 17,143,757,700.27
  5. Step 5: Solve for x
    x = 17,143,757,700.27/150,513.45
  6. Step 6: Final answer
    x = 113,901.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.