Home / 181,831.25-272,757.81-57,172.25

Finding the Fourth Proportional to 181,831.25, 272,757.81 and 57,172.25

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Solution

The fourth proportional to 181,831.25, 272,757.81 and 57,172.25 is: 85,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,831.25 : 272,757.81 = 57,172.25 : x
  2. Step 2: Convert to fraction form
    181,831.25/272,757.81 = 57,172.25/x
  3. Step 3: Cross multiply
    181,831.25x = 272,757.81 × 57,172.25
  4. Step 4: Simplify right side
    181,831.25x = 15,594,177,702.77
  5. Step 5: Solve for x
    x = 15,594,177,702.77/181,831.25
  6. Step 6: Final answer
    x = 85,761.81

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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.