Home / 112,619.03-155,407.56-61,621.58

Finding the Fourth Proportional to 112,619.03, 155,407.56 and 61,621.58

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Solution

The fourth proportional to 112,619.03, 155,407.56 and 61,621.58 is: 85,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,619.03 : 155,407.56 = 61,621.58 : x
  2. Step 2: Convert to fraction form
    112,619.03/155,407.56 = 61,621.58/x
  3. Step 3: Cross multiply
    112,619.03x = 155,407.56 × 61,621.58
  4. Step 4: Simplify right side
    112,619.03x = 9,576,459,021.04
  5. Step 5: Solve for x
    x = 9,576,459,021.04/112,619.03
  6. Step 6: Final answer
    x = 85,034.11

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