Home / 150,416.40-207,571.08-82,431.12

Finding the Fourth Proportional to 150,416.40, 207,571.08 and 82,431.12

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Solution

The fourth proportional to 150,416.40, 207,571.08 and 82,431.12 is: 113,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,416.40 : 207,571.08 = 82,431.12 : x
  2. Step 2: Convert to fraction form
    150,416.40/207,571.08 = 82,431.12/x
  3. Step 3: Cross multiply
    150,416.40x = 207,571.08 × 82,431.12
  4. Step 4: Simplify right side
    150,416.40x = 17,110,316,604.01
  5. Step 5: Solve for x
    x = 17,110,316,604.01/150,416.40
  6. Step 6: Final answer
    x = 113,753.00

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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.