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Finding the Fourth Proportional to 108,543.65, 162,535.07 and 74,913.46

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Solution

The fourth proportional to 108,543.65, 162,535.07 and 74,913.46 is: 112,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,543.65 : 162,535.07 = 74,913.46 : x
  2. Step 2: Convert to fraction form
    108,543.65/162,535.07 = 74,913.46/x
  3. Step 3: Cross multiply
    108,543.65x = 162,535.07 × 74,913.46
  4. Step 4: Simplify right side
    108,543.65x = 12,176,064,245.99
  5. Step 5: Solve for x
    x = 12,176,064,245.99/108,543.65
  6. Step 6: Final answer
    x = 112,176.67

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