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Finding the Fourth Proportional to 98,748.72, 136,273.32 and 56,306.16

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Solution

The fourth proportional to 98,748.72, 136,273.32 and 56,306.16 is: 77,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,748.72 : 136,273.32 = 56,306.16 : x
  2. Step 2: Convert to fraction form
    98,748.72/136,273.32 = 56,306.16/x
  3. Step 3: Cross multiply
    98,748.72x = 136,273.32 × 56,306.16
  4. Step 4: Simplify right side
    98,748.72x = 7,673,027,359.65
  5. Step 5: Solve for x
    x = 7,673,027,359.65/98,748.72
  6. Step 6: Final answer
    x = 77,702.55

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