Home / 209,117.60-313,255.40-96,642.92

Finding the Fourth Proportional to 209,117.60, 313,255.40 and 96,642.92

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Solution

The fourth proportional to 209,117.60, 313,255.40 and 96,642.92 is: 144,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,117.60 : 313,255.40 = 96,642.92 : x
  2. Step 2: Convert to fraction form
    209,117.60/313,255.40 = 96,642.92/x
  3. Step 3: Cross multiply
    209,117.60x = 313,255.40 × 96,642.92
  4. Step 4: Simplify right side
    209,117.60x = 30,273,916,561.77
  5. Step 5: Solve for x
    x = 30,273,916,561.77/209,117.60
  6. Step 6: Final answer
    x = 144,769.82

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