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Finding the Fourth Proportional to 112,058.40, 167,857.20 and 77,037.60

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Solution

The fourth proportional to 112,058.40, 167,857.20 and 77,037.60 is: 115,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,058.40 : 167,857.20 = 77,037.60 : x
  2. Step 2: Convert to fraction form
    112,058.40/167,857.20 = 77,037.60/x
  3. Step 3: Cross multiply
    112,058.40x = 167,857.20 × 77,037.60
  4. Step 4: Simplify right side
    112,058.40x = 12,931,315,830.72
  5. Step 5: Solve for x
    x = 12,931,315,830.72/112,058.40
  6. Step 6: Final answer
    x = 115,398.01

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