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Finding the Fourth Proportional to 124,119.19, 171,315.08 and 70,436.55

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Solution

The fourth proportional to 124,119.19, 171,315.08 and 70,436.55 is: 97,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,119.19 : 171,315.08 = 70,436.55 : x
  2. Step 2: Convert to fraction form
    124,119.19/171,315.08 = 70,436.55/x
  3. Step 3: Cross multiply
    124,119.19x = 171,315.08 × 70,436.55
  4. Step 4: Simplify right side
    124,119.19x = 12,066,843,198.17
  5. Step 5: Solve for x
    x = 12,066,843,198.17/124,119.19
  6. Step 6: Final answer
    x = 97,219.80

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