Home / 136,831.92-188,934.84-104,950.32

Finding the Fourth Proportional to 136,831.92, 188,934.84 and 104,950.32

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Solution

The fourth proportional to 136,831.92, 188,934.84 and 104,950.32 is: 144,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,831.92 : 188,934.84 = 104,950.32 : x
  2. Step 2: Convert to fraction form
    136,831.92/188,934.84 = 104,950.32/x
  3. Step 3: Cross multiply
    136,831.92x = 188,934.84 × 104,950.32
  4. Step 4: Simplify right side
    136,831.92x = 19,828,771,917.15
  5. Step 5: Solve for x
    x = 19,828,771,917.15/136,831.92
  6. Step 6: Final answer
    x = 144,913.35

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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.