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Finding the Fourth Proportional to 177,820.99, 266,871.71 and 78,050.05

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Solution

The fourth proportional to 177,820.99, 266,871.71 and 78,050.05 is: 117,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,820.99 : 266,871.71 = 78,050.05 : x
  2. Step 2: Convert to fraction form
    177,820.99/266,871.71 = 78,050.05/x
  3. Step 3: Cross multiply
    177,820.99x = 266,871.71 × 78,050.05
  4. Step 4: Simplify right side
    177,820.99x = 20,829,349,251.66
  5. Step 5: Solve for x
    x = 20,829,349,251.66/177,820.99
  6. Step 6: Final answer
    x = 117,136.62

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