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Finding the Fourth Proportional to 117,698.20, 176,547.30 and 42,902.80

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Solution

The fourth proportional to 117,698.20, 176,547.30 and 42,902.80 is: 64,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,698.20 : 176,547.30 = 42,902.80 : x
  2. Step 2: Convert to fraction form
    117,698.20/176,547.30 = 42,902.80/x
  3. Step 3: Cross multiply
    117,698.20x = 176,547.30 × 42,902.80
  4. Step 4: Simplify right side
    117,698.20x = 7,574,373,502.44
  5. Step 5: Solve for x
    x = 7,574,373,502.44/117,698.20
  6. Step 6: Final answer
    x = 64,354.20

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