Home / 436,931.28-655,401.24-137,405.16

Finding the Fourth Proportional to 436,931.28, 655,401.24 and 137,405.16

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Solution

The fourth proportional to 436,931.28, 655,401.24 and 137,405.16 is: 206,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,931.28 : 655,401.24 = 137,405.16 : x
  2. Step 2: Convert to fraction form
    436,931.28/655,401.24 = 137,405.16/x
  3. Step 3: Cross multiply
    436,931.28x = 655,401.24 × 137,405.16
  4. Step 4: Simplify right side
    436,931.28x = 90,055,512,246.40
  5. Step 5: Solve for x
    x = 90,055,512,246.40/436,931.28
  6. Step 6: Final answer
    x = 206,109.10

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