Home / 156,044.10-234,066.15-118,719.30

Finding the Fourth Proportional to 156,044.10, 234,066.15 and 118,719.30

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Solution

The fourth proportional to 156,044.10, 234,066.15 and 118,719.30 is: 178,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,044.10 : 234,066.15 = 118,719.30 : x
  2. Step 2: Convert to fraction form
    156,044.10/234,066.15 = 118,719.30/x
  3. Step 3: Cross multiply
    156,044.10x = 234,066.15 × 118,719.30
  4. Step 4: Simplify right side
    156,044.10x = 27,788,169,481.70
  5. Step 5: Solve for x
    x = 27,788,169,481.70/156,044.10
  6. Step 6: Final answer
    x = 178,078.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.