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Finding the Fourth Proportional to 112,090.50, 154,688.13 and 61,792.74

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Solution

The fourth proportional to 112,090.50, 154,688.13 and 61,792.74 is: 85,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,090.50 : 154,688.13 = 61,792.74 : x
  2. Step 2: Convert to fraction form
    112,090.50/154,688.13 = 61,792.74/x
  3. Step 3: Cross multiply
    112,090.50x = 154,688.13 × 61,792.74
  4. Step 4: Simplify right side
    112,090.50x = 9,558,603,398.18
  5. Step 5: Solve for x
    x = 9,558,603,398.18/112,090.50
  6. Step 6: Final answer
    x = 85,275.77

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