Home / 151,331.46-208,829.94-87,689.76

Finding the Fourth Proportional to 151,331.46, 208,829.94 and 87,689.76

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Solution

The fourth proportional to 151,331.46, 208,829.94 and 87,689.76 is: 121,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,331.46 : 208,829.94 = 87,689.76 : x
  2. Step 2: Convert to fraction form
    151,331.46/208,829.94 = 87,689.76/x
  3. Step 3: Cross multiply
    151,331.46x = 208,829.94 × 87,689.76
  4. Step 4: Simplify right side
    151,331.46x = 18,312,247,319.41
  5. Step 5: Solve for x
    x = 18,312,247,319.41/151,331.46
  6. Step 6: Final answer
    x = 121,007.54

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