Home / 85,686.22-128,307.93-59,114.17

Finding the Fourth Proportional to 85,686.22, 128,307.93 and 59,114.17

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Solution

The fourth proportional to 85,686.22, 128,307.93 and 59,114.17 is: 88,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,686.22 : 128,307.93 = 59,114.17 : x
  2. Step 2: Convert to fraction form
    85,686.22/128,307.93 = 59,114.17/x
  3. Step 3: Cross multiply
    85,686.22x = 128,307.93 × 59,114.17
  4. Step 4: Simplify right side
    85,686.22x = 7,584,816,786.37
  5. Step 5: Solve for x
    x = 7,584,816,786.37/85,686.22
  6. Step 6: Final answer
    x = 88,518.51

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