Home / 150,628.28-207,860.01-82,643.72

Finding the Fourth Proportional to 150,628.28, 207,860.01 and 82,643.72

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Solution

The fourth proportional to 150,628.28, 207,860.01 and 82,643.72 is: 114,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,628.28 : 207,860.01 = 82,643.72 : x
  2. Step 2: Convert to fraction form
    150,628.28/207,860.01 = 82,643.72/x
  3. Step 3: Cross multiply
    150,628.28x = 207,860.01 × 82,643.72
  4. Step 4: Simplify right side
    150,628.28x = 17,178,324,465.64
  5. Step 5: Solve for x
    x = 17,178,324,465.64/150,628.28
  6. Step 6: Final answer
    x = 114,044.48

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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.