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Finding the Fourth Proportional to 112,570.24, 155,348.16 and 61,581.88

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Solution

The fourth proportional to 112,570.24, 155,348.16 and 61,581.88 is: 84,983.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,570.24 : 155,348.16 = 61,581.88 : x
  2. Step 2: Convert to fraction form
    112,570.24/155,348.16 = 61,581.88/x
  3. Step 3: Cross multiply
    112,570.24x = 155,348.16 × 61,581.88
  4. Step 4: Simplify right side
    112,570.24x = 9,566,631,747.34
  5. Step 5: Solve for x
    x = 9,566,631,747.34/112,570.24
  6. Step 6: Final answer
    x = 84,983.67

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