Home / 116,142.06-174,156.68-68,123.74

Finding the Fourth Proportional to 116,142.06, 174,156.68 and 68,123.74

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Solution

The fourth proportional to 116,142.06, 174,156.68 and 68,123.74 is: 102,152.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,142.06 : 174,156.68 = 68,123.74 : x
  2. Step 2: Convert to fraction form
    116,142.06/174,156.68 = 68,123.74/x
  3. Step 3: Cross multiply
    116,142.06x = 174,156.68 × 68,123.74
  4. Step 4: Simplify right side
    116,142.06x = 11,864,204,387.58
  5. Step 5: Solve for x
    x = 11,864,204,387.58/116,142.06
  6. Step 6: Final answer
    x = 102,152.52

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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.