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Finding the Fourth Proportional to 132,981.67, 183,545.49 and 87,667.66

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Solution

The fourth proportional to 132,981.67, 183,545.49 and 87,667.66 is: 121,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,981.67 : 183,545.49 = 87,667.66 : x
  2. Step 2: Convert to fraction form
    132,981.67/183,545.49 = 87,667.66/x
  3. Step 3: Cross multiply
    132,981.67x = 183,545.49 × 87,667.66
  4. Step 4: Simplify right side
    132,981.67x = 16,091,003,611.85
  5. Step 5: Solve for x
    x = 16,091,003,611.85/132,981.67
  6. Step 6: Final answer
    x = 121,001.67

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