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Finding the Fourth Proportional to 112,710.88, 155,543.44 and 61,725.76

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Solution

The fourth proportional to 112,710.88, 155,543.44 and 61,725.76 is: 85,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,710.88 : 155,543.44 = 61,725.76 : x
  2. Step 2: Convert to fraction form
    112,710.88/155,543.44 = 61,725.76/x
  3. Step 3: Cross multiply
    112,710.88x = 155,543.44 × 61,725.76
  4. Step 4: Simplify right side
    112,710.88x = 9,601,037,047.01
  5. Step 5: Solve for x
    x = 9,601,037,047.01/112,710.88
  6. Step 6: Final answer
    x = 85,182.88

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