Home / 150,486.36-207,527.49-90,047.40

Finding the Fourth Proportional to 150,486.36, 207,527.49 and 90,047.40

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Solution

The fourth proportional to 150,486.36, 207,527.49 and 90,047.40 is: 124,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,486.36 : 207,527.49 = 90,047.40 : x
  2. Step 2: Convert to fraction form
    150,486.36/207,527.49 = 90,047.40/x
  3. Step 3: Cross multiply
    150,486.36x = 207,527.49 × 90,047.40
  4. Step 4: Simplify right side
    150,486.36x = 18,687,310,903.03
  5. Step 5: Solve for x
    x = 18,687,310,903.03/150,486.36
  6. Step 6: Final answer
    x = 124,179.43

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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.