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Finding the Fourth Proportional to 118,820.25, 163,946.43 and 70,437.44

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Solution

The fourth proportional to 118,820.25, 163,946.43 and 70,437.44 is: 97,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,820.25 : 163,946.43 = 70,437.44 : x
  2. Step 2: Convert to fraction form
    118,820.25/163,946.43 = 70,437.44/x
  3. Step 3: Cross multiply
    118,820.25x = 163,946.43 × 70,437.44
  4. Step 4: Simplify right side
    118,820.25x = 11,547,967,236.21
  5. Step 5: Solve for x
    x = 11,547,967,236.21/118,820.25
  6. Step 6: Final answer
    x = 97,188.55

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