Home / 136,260.86-188,048.83-75,831.32

Finding the Fourth Proportional to 136,260.86, 188,048.83 and 75,831.32

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Solution

The fourth proportional to 136,260.86, 188,048.83 and 75,831.32 is: 104,652.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,260.86 : 188,048.83 = 75,831.32 : x
  2. Step 2: Convert to fraction form
    136,260.86/188,048.83 = 75,831.32/x
  3. Step 3: Cross multiply
    136,260.86x = 188,048.83 × 75,831.32
  4. Step 4: Simplify right side
    136,260.86x = 14,259,991,283.90
  5. Step 5: Solve for x
    x = 14,259,991,283.90/136,260.86
  6. Step 6: Final answer
    x = 104,652.14

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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.