Home / 181,246.72-250,140.09-109,666.21

Finding the Fourth Proportional to 181,246.72, 250,140.09 and 109,666.21

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Solution

The fourth proportional to 181,246.72, 250,140.09 and 109,666.21 is: 151,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,246.72 : 250,140.09 = 109,666.21 : x
  2. Step 2: Convert to fraction form
    181,246.72/250,140.09 = 109,666.21/x
  3. Step 3: Cross multiply
    181,246.72x = 250,140.09 × 109,666.21
  4. Step 4: Simplify right side
    181,246.72x = 27,431,915,639.36
  5. Step 5: Solve for x
    x = 27,431,915,639.36/181,246.72
  6. Step 6: Final answer
    x = 151,351.24

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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.