Home / 181,921.47-272,911.36-76,755.93

Finding the Fourth Proportional to 181,921.47, 272,911.36 and 76,755.93

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Solution

The fourth proportional to 181,921.47, 272,911.36 and 76,755.93 is: 115,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,921.47 : 272,911.36 = 76,755.93 : x
  2. Step 2: Convert to fraction form
    181,921.47/272,911.36 = 76,755.93/x
  3. Step 3: Cross multiply
    181,921.47x = 272,911.36 × 76,755.93
  4. Step 4: Simplify right side
    181,921.47x = 20,947,565,244.36
  5. Step 5: Solve for x
    x = 20,947,565,244.36/181,921.47
  6. Step 6: Final answer
    x = 115,146.20

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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.