Home / 181,608.56-272,639.64-122,705.36

Finding the Fourth Proportional to 181,608.56, 272,639.64 and 122,705.36

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Solution

The fourth proportional to 181,608.56, 272,639.64 and 122,705.36 is: 184,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,608.56 : 272,639.64 = 122,705.36 : x
  2. Step 2: Convert to fraction form
    181,608.56/272,639.64 = 122,705.36/x
  3. Step 3: Cross multiply
    181,608.56x = 272,639.64 × 122,705.36
  4. Step 4: Simplify right side
    181,608.56x = 33,454,345,176.47
  5. Step 5: Solve for x
    x = 33,454,345,176.47/181,608.56
  6. Step 6: Final answer
    x = 184,211.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.