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Finding the Fourth Proportional to 123,549.35, 170,482.86 and 87,726.29

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Solution

The fourth proportional to 123,549.35, 170,482.86 and 87,726.29 is: 121,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,549.35 : 170,482.86 = 87,726.29 : x
  2. Step 2: Convert to fraction form
    123,549.35/170,482.86 = 87,726.29/x
  3. Step 3: Cross multiply
    123,549.35x = 170,482.86 × 87,726.29
  4. Step 4: Simplify right side
    123,549.35x = 14,955,827,963.98
  5. Step 5: Solve for x
    x = 14,955,827,963.98/123,549.35
  6. Step 6: Final answer
    x = 121,051.45

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