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Finding the Fourth Proportional to 110,281.10, 165,421.65 and 70,915.10

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Solution

The fourth proportional to 110,281.10, 165,421.65 and 70,915.10 is: 106,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,281.10 : 165,421.65 = 70,915.10 : x
  2. Step 2: Convert to fraction form
    110,281.10/165,421.65 = 70,915.10/x
  3. Step 3: Cross multiply
    110,281.10x = 165,421.65 × 70,915.10
  4. Step 4: Simplify right side
    110,281.10x = 11,730,892,851.92
  5. Step 5: Solve for x
    x = 11,730,892,851.92/110,281.10
  6. Step 6: Final answer
    x = 106,372.65

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