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Finding the Fourth Proportional to 112,217.63, 154,860.32 and 61,916.63

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Solution

The fourth proportional to 112,217.63, 154,860.32 and 61,916.63 is: 85,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,217.63 : 154,860.32 = 61,916.63 : x
  2. Step 2: Convert to fraction form
    112,217.63/154,860.32 = 61,916.63/x
  3. Step 3: Cross multiply
    112,217.63x = 154,860.32 × 61,916.63
  4. Step 4: Simplify right side
    112,217.63x = 9,588,428,515.61
  5. Step 5: Solve for x
    x = 9,588,428,515.61/112,217.63
  6. Step 6: Final answer
    x = 85,444.94

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