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Finding the Fourth Proportional to 106,875.40, 160,118.70 and 87,046.60

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Solution

The fourth proportional to 106,875.40, 160,118.70 and 87,046.60 is: 130,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,875.40 : 160,118.70 = 87,046.60 : x
  2. Step 2: Convert to fraction form
    106,875.40/160,118.70 = 87,046.60/x
  3. Step 3: Cross multiply
    106,875.40x = 160,118.70 × 87,046.60
  4. Step 4: Simplify right side
    106,875.40x = 13,937,788,431.42
  5. Step 5: Solve for x
    x = 13,937,788,431.42/106,875.40
  6. Step 6: Final answer
    x = 130,411.57

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