Home / 181,447.03-250,382.71-100,869.65

Finding the Fourth Proportional to 181,447.03, 250,382.71 and 100,869.65

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Solution

The fourth proportional to 181,447.03, 250,382.71 and 100,869.65 is: 139,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,447.03 : 250,382.71 = 100,869.65 : x
  2. Step 2: Convert to fraction form
    181,447.03/250,382.71 = 100,869.65/x
  3. Step 3: Cross multiply
    181,447.03x = 250,382.71 × 100,869.65
  4. Step 4: Simplify right side
    181,447.03x = 25,256,016,323.75
  5. Step 5: Solve for x
    x = 25,256,016,323.75/181,447.03
  6. Step 6: Final answer
    x = 139,192.23

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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.