Home / 138,273.57-190,831.82-84,594.29

Finding the Fourth Proportional to 138,273.57, 190,831.82 and 84,594.29

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Solution

The fourth proportional to 138,273.57, 190,831.82 and 84,594.29 is: 116,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,273.57 : 190,831.82 = 84,594.29 : x
  2. Step 2: Convert to fraction form
    138,273.57/190,831.82 = 84,594.29/x
  3. Step 3: Cross multiply
    138,273.57x = 190,831.82 × 84,594.29
  4. Step 4: Simplify right side
    138,273.57x = 16,143,280,945.18
  5. Step 5: Solve for x
    x = 16,143,280,945.18/138,273.57
  6. Step 6: Final answer
    x = 116,748.85

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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.