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Finding the Fourth Proportional to 157,702.40, 236,553.60 and 74,758.40

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Solution

The fourth proportional to 157,702.40, 236,553.60 and 74,758.40 is: 112,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,702.40 : 236,553.60 = 74,758.40 : x
  2. Step 2: Convert to fraction form
    157,702.40/236,553.60 = 74,758.40/x
  3. Step 3: Cross multiply
    157,702.40x = 236,553.60 × 74,758.40
  4. Step 4: Simplify right side
    157,702.40x = 17,684,368,650.24
  5. Step 5: Solve for x
    x = 17,684,368,650.24/157,702.40
  6. Step 6: Final answer
    x = 112,137.60

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