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Finding the Fourth Proportional to 113,642.40, 170,519.88 and 83,582.48

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Solution

The fourth proportional to 113,642.40, 170,519.88 and 83,582.48 is: 125,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,642.40 : 170,519.88 = 83,582.48 : x
  2. Step 2: Convert to fraction form
    113,642.40/170,519.88 = 83,582.48/x
  3. Step 3: Cross multiply
    113,642.40x = 170,519.88 × 83,582.48
  4. Step 4: Simplify right side
    113,642.40x = 14,252,474,459.70
  5. Step 5: Solve for x
    x = 14,252,474,459.70/113,642.40
  6. Step 6: Final answer
    x = 125,415.11

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