Home / 315,110.80-472,666.20-104,721.40

Finding the Fourth Proportional to 315,110.80, 472,666.20 and 104,721.40

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Solution

The fourth proportional to 315,110.80, 472,666.20 and 104,721.40 is: 157,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,110.80 : 472,666.20 = 104,721.40 : x
  2. Step 2: Convert to fraction form
    315,110.80/472,666.20 = 104,721.40/x
  3. Step 3: Cross multiply
    315,110.80x = 472,666.20 × 104,721.40
  4. Step 4: Simplify right side
    315,110.80x = 49,498,266,196.68
  5. Step 5: Solve for x
    x = 49,498,266,196.68/315,110.80
  6. Step 6: Final answer
    x = 157,082.10

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