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Finding the Fourth Proportional to 118,412.55, 163,411.63 and 64,700.94

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Solution

The fourth proportional to 118,412.55, 163,411.63 and 64,700.94 is: 89,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,412.55 : 163,411.63 = 64,700.94 : x
  2. Step 2: Convert to fraction form
    118,412.55/163,411.63 = 64,700.94/x
  3. Step 3: Cross multiply
    118,412.55x = 163,411.63 × 64,700.94
  4. Step 4: Simplify right side
    118,412.55x = 10,572,886,518.97
  5. Step 5: Solve for x
    x = 10,572,886,518.97/118,412.55
  6. Step 6: Final answer
    x = 89,288.56

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