Home / 107,625.40-161,438.10-84,271.80

Finding the Fourth Proportional to 107,625.40, 161,438.10 and 84,271.80

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Solution

The fourth proportional to 107,625.40, 161,438.10 and 84,271.80 is: 126,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,625.40 : 161,438.10 = 84,271.80 : x
  2. Step 2: Convert to fraction form
    107,625.40/161,438.10 = 84,271.80/x
  3. Step 3: Cross multiply
    107,625.40x = 161,438.10 × 84,271.80
  4. Step 4: Simplify right side
    107,625.40x = 13,604,679,275.58
  5. Step 5: Solve for x
    x = 13,604,679,275.58/107,625.40
  6. Step 6: Final answer
    x = 126,407.70

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