Home / 137,182.28-189,302.64-76,742.48

Finding the Fourth Proportional to 137,182.28, 189,302.64 and 76,742.48

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Solution

The fourth proportional to 137,182.28, 189,302.64 and 76,742.48 is: 105,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,182.28 : 189,302.64 = 76,742.48 : x
  2. Step 2: Convert to fraction form
    137,182.28/189,302.64 = 76,742.48/x
  3. Step 3: Cross multiply
    137,182.28x = 189,302.64 × 76,742.48
  4. Step 4: Simplify right side
    137,182.28x = 14,527,554,064.15
  5. Step 5: Solve for x
    x = 14,527,554,064.15/137,182.28
  6. Step 6: Final answer
    x = 105,899.64

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