Home / 150,369.66-207,510.03-82,391.04

Finding the Fourth Proportional to 150,369.66, 207,510.03 and 82,391.04

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Solution

The fourth proportional to 150,369.66, 207,510.03 and 82,391.04 is: 113,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,369.66 : 207,510.03 = 82,391.04 : x
  2. Step 2: Convert to fraction form
    150,369.66/207,510.03 = 82,391.04/x
  3. Step 3: Cross multiply
    150,369.66x = 207,510.03 × 82,391.04
  4. Step 4: Simplify right side
    150,369.66x = 17,096,967,182.13
  5. Step 5: Solve for x
    x = 17,096,967,182.13/150,369.66
  6. Step 6: Final answer
    x = 113,699.58

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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.