Home / 249,959.12-374,977.56-81,440.21

Finding the Fourth Proportional to 249,959.12, 374,977.56 and 81,440.21

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Solution

The fourth proportional to 249,959.12, 374,977.56 and 81,440.21 is: 122,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,959.12 : 374,977.56 = 81,440.21 : x
  2. Step 2: Convert to fraction form
    249,959.12/374,977.56 = 81,440.21/x
  3. Step 3: Cross multiply
    249,959.12x = 374,977.56 × 81,440.21
  4. Step 4: Simplify right side
    249,959.12x = 30,538,251,231.69
  5. Step 5: Solve for x
    x = 30,538,251,231.69/249,959.12
  6. Step 6: Final answer
    x = 122,172.98

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