Home / 77,800.14-116,700.21-21,637.98

Finding the Fourth Proportional to 77,800.14, 116,700.21 and 21,637.98

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Solution

The fourth proportional to 77,800.14, 116,700.21 and 21,637.98 is: 32,456.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,800.14 : 116,700.21 = 21,637.98 : x
  2. Step 2: Convert to fraction form
    77,800.14/116,700.21 = 21,637.98/x
  3. Step 3: Cross multiply
    77,800.14x = 116,700.21 × 21,637.98
  4. Step 4: Simplify right side
    77,800.14x = 2,525,156,809.98
  5. Step 5: Solve for x
    x = 2,525,156,809.98/77,800.14
  6. Step 6: Final answer
    x = 32,456.97

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