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Finding the Fourth Proportional to 210,633.48, 315,950.22 and 70,392.11

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Solution

The fourth proportional to 210,633.48, 315,950.22 and 70,392.11 is: 105,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,633.48 : 315,950.22 = 70,392.11 : x
  2. Step 2: Convert to fraction form
    210,633.48/315,950.22 = 70,392.11/x
  3. Step 3: Cross multiply
    210,633.48x = 315,950.22 × 70,392.11
  4. Step 4: Simplify right side
    210,633.48x = 22,240,401,061.01
  5. Step 5: Solve for x
    x = 22,240,401,061.01/210,633.48
  6. Step 6: Final answer
    x = 105,588.16

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