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Finding the Fourth Proportional to 112,041.40, 167,576.10 and 100,280.20

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Solution

The fourth proportional to 112,041.40, 167,576.10 and 100,280.20 is: 149,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,041.40 : 167,576.10 = 100,280.20 : x
  2. Step 2: Convert to fraction form
    112,041.40/167,576.10 = 100,280.20/x
  3. Step 3: Cross multiply
    112,041.40x = 167,576.10 × 100,280.20
  4. Step 4: Simplify right side
    112,041.40x = 16,804,564,823.22
  5. Step 5: Solve for x
    x = 16,804,564,823.22/112,041.40
  6. Step 6: Final answer
    x = 149,985.32

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