Home / 181,379.25-250,301.56-100,805.16

Finding the Fourth Proportional to 181,379.25, 250,301.56 and 100,805.16

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Solution

The fourth proportional to 181,379.25, 250,301.56 and 100,805.16 is: 139,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,379.25 : 250,301.56 = 100,805.16 : x
  2. Step 2: Convert to fraction form
    181,379.25/250,301.56 = 100,805.16/x
  3. Step 3: Cross multiply
    181,379.25x = 250,301.56 × 100,805.16
  4. Step 4: Simplify right side
    181,379.25x = 25,231,688,804.05
  5. Step 5: Solve for x
    x = 25,231,688,804.05/181,379.25
  6. Step 6: Final answer
    x = 139,110.12

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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.