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Finding the Fourth Proportional to 170,726.40, 256,089.60 and 117,582.30

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Solution

The fourth proportional to 170,726.40, 256,089.60 and 117,582.30 is: 176,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,726.40 : 256,089.60 = 117,582.30 : x
  2. Step 2: Convert to fraction form
    170,726.40/256,089.60 = 117,582.30/x
  3. Step 3: Cross multiply
    170,726.40x = 256,089.60 × 117,582.30
  4. Step 4: Simplify right side
    170,726.40x = 30,111,604,174.08
  5. Step 5: Solve for x
    x = 30,111,604,174.08/170,726.40
  6. Step 6: Final answer
    x = 176,373.45

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