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Finding the Fourth Proportional to 153,389.16, 211,608.72 and 89,698.86

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Solution

The fourth proportional to 153,389.16, 211,608.72 and 89,698.86 is: 123,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,389.16 : 211,608.72 = 89,698.86 : x
  2. Step 2: Convert to fraction form
    153,389.16/211,608.72 = 89,698.86/x
  3. Step 3: Cross multiply
    153,389.16x = 211,608.72 × 89,698.86
  4. Step 4: Simplify right side
    153,389.16x = 18,981,060,950.06
  5. Step 5: Solve for x
    x = 18,981,060,950.06/153,389.16
  6. Step 6: Final answer
    x = 123,744.47

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