Home / 150,687.27-207,954.95-90,267.75

Finding the Fourth Proportional to 150,687.27, 207,954.95 and 90,267.75

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Solution

The fourth proportional to 150,687.27, 207,954.95 and 90,267.75 is: 124,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,687.27 : 207,954.95 = 90,267.75 : x
  2. Step 2: Convert to fraction form
    150,687.27/207,954.95 = 90,267.75/x
  3. Step 3: Cross multiply
    150,687.27x = 207,954.95 × 90,267.75
  4. Step 4: Simplify right side
    150,687.27x = 18,771,624,986.52
  5. Step 5: Solve for x
    x = 18,771,624,986.52/150,687.27
  6. Step 6: Final answer
    x = 124,573.40

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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.