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Finding the Fourth Proportional to 212,136.97, 292,812.27 and 139,595.80

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Solution

The fourth proportional to 212,136.97, 292,812.27 and 139,595.80 is: 192,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,136.97 : 292,812.27 = 139,595.80 : x
  2. Step 2: Convert to fraction form
    212,136.97/292,812.27 = 139,595.80/x
  3. Step 3: Cross multiply
    212,136.97x = 292,812.27 × 139,595.80
  4. Step 4: Simplify right side
    212,136.97x = 40,875,363,080.47
  5. Step 5: Solve for x
    x = 40,875,363,080.47/212,136.97
  6. Step 6: Final answer
    x = 192,683.83

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