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Finding the Fourth Proportional to 210,797.32, 316,320.45 and 77,770.48

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Solution

The fourth proportional to 210,797.32, 316,320.45 and 77,770.48 is: 116,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,797.32 : 316,320.45 = 77,770.48 : x
  2. Step 2: Convert to fraction form
    210,797.32/316,320.45 = 77,770.48/x
  3. Step 3: Cross multiply
    210,797.32x = 316,320.45 × 77,770.48
  4. Step 4: Simplify right side
    210,797.32x = 24,600,393,230.32
  5. Step 5: Solve for x
    x = 24,600,393,230.32/210,797.32
  6. Step 6: Final answer
    x = 116,701.64

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