Home / 116,876.20-174,968.70-104,434.60

Finding the Fourth Proportional to 116,876.20, 174,968.70 and 104,434.60

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Solution

The fourth proportional to 116,876.20, 174,968.70 and 104,434.60 is: 156,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,876.20 : 174,968.70 = 104,434.60 : x
  2. Step 2: Convert to fraction form
    116,876.20/174,968.70 = 104,434.60/x
  3. Step 3: Cross multiply
    116,876.20x = 174,968.70 × 104,434.60
  4. Step 4: Simplify right side
    116,876.20x = 18,272,786,197.02
  5. Step 5: Solve for x
    x = 18,272,786,197.02/116,876.20
  6. Step 6: Final answer
    x = 156,343.09

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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.