Home / 138,869.16-208,895.04-125,878.40

Finding the Fourth Proportional to 138,869.16, 208,895.04 and 125,878.40

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Solution

The fourth proportional to 138,869.16, 208,895.04 and 125,878.40 is: 189,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,869.16 : 208,895.04 = 125,878.40 : x
  2. Step 2: Convert to fraction form
    138,869.16/208,895.04 = 125,878.40/x
  3. Step 3: Cross multiply
    138,869.16x = 208,895.04 × 125,878.40
  4. Step 4: Simplify right side
    138,869.16x = 26,295,373,403.14
  5. Step 5: Solve for x
    x = 26,295,373,403.14/138,869.16
  6. Step 6: Final answer
    x = 189,353.59

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