Home / 126,931.28-175,177.60-70,342.72

Finding the Fourth Proportional to 126,931.28, 175,177.60 and 70,342.72

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Solution

The fourth proportional to 126,931.28, 175,177.60 and 70,342.72 is: 97,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,931.28 : 175,177.60 = 70,342.72 : x
  2. Step 2: Convert to fraction form
    126,931.28/175,177.60 = 70,342.72/x
  3. Step 3: Cross multiply
    126,931.28x = 175,177.60 × 70,342.72
  4. Step 4: Simplify right side
    126,931.28x = 12,322,468,867.07
  5. Step 5: Solve for x
    x = 12,322,468,867.07/126,931.28
  6. Step 6: Final answer
    x = 97,079.84

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