Home / 181,695.12-250,737.48-101,121.28

Finding the Fourth Proportional to 181,695.12, 250,737.48 and 101,121.28

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Solution

The fourth proportional to 181,695.12, 250,737.48 and 101,121.28 is: 139,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,695.12 : 250,737.48 = 101,121.28 : x
  2. Step 2: Convert to fraction form
    181,695.12/250,737.48 = 101,121.28/x
  3. Step 3: Cross multiply
    181,695.12x = 250,737.48 × 101,121.28
  4. Step 4: Simplify right side
    181,695.12x = 25,354,894,921.57
  5. Step 5: Solve for x
    x = 25,354,894,921.57/181,695.12
  6. Step 6: Final answer
    x = 139,546.37

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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.