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Finding the Fourth Proportional to 153,887.04, 212,364.99 and 90,225.90

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Solution

The fourth proportional to 153,887.04, 212,364.99 and 90,225.90 is: 124,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,887.04 : 212,364.99 = 90,225.90 : x
  2. Step 2: Convert to fraction form
    153,887.04/212,364.99 = 90,225.90/x
  3. Step 3: Cross multiply
    153,887.04x = 212,364.99 × 90,225.90
  4. Step 4: Simplify right side
    153,887.04x = 19,160,822,351.24
  5. Step 5: Solve for x
    x = 19,160,822,351.24/153,887.04
  6. Step 6: Final answer
    x = 124,512.25

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