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Finding the Fourth Proportional to 98,751.40, 148,161.66 and 28,634.92

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Solution

The fourth proportional to 98,751.40, 148,161.66 and 28,634.92 is: 42,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,751.40 : 148,161.66 = 28,634.92 : x
  2. Step 2: Convert to fraction form
    98,751.40/148,161.66 = 28,634.92/x
  3. Step 3: Cross multiply
    98,751.40x = 148,161.66 × 28,634.92
  4. Step 4: Simplify right side
    98,751.40x = 4,242,597,281.17
  5. Step 5: Solve for x
    x = 4,242,597,281.17/98,751.40
  6. Step 6: Final answer
    x = 42,962.40

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